When searching for the best thermal pastes, it’s clear that performance, durability, and ease of application are key factors. The Thermal Grizzly Kryonaut stands out as the top overall choice for high-end cooling, while the ARCTIC MX-4 offers excellent value for budget-conscious builds. The main tradeoffs often involve balancing thermal performance against price, longevity, and ease of use. Some pastes excel at high overclocking temperatures, but may be more difficult to apply or less durable over time. Keep reading for a detailed breakdown of these options to find the best fit for your needs.

15
compared
3
brands
Which thermal paste should you buy?
★ Top Pick
Thermal Grizzly Duronaut Therm
Best Overall for Long-Term Stability and High-End Cooling
Exceptional thermal conductivity for high-performance cooling
See on Amazon →
Overclockers and power users seeking maximum thermal transfer with convenient surface prep.
Thermal Grizzly Kryonaut
Exceptional thermal conductivity for demanding applications
View on Amazon →
Home users and system builders seeking durable, no-fuss thermal paste for long-term use.
ARCTIC MX-7 Thermal Paste
Excellent long-term stability and durability
View on Amazon →
Overclockers and enthusiasts needing the best possible heat transfer for critical performance gains.
Thermal Grizzly Kryonaut 1 Gra
Outstanding thermal conductivity for demanding applications
View on Amazon →
Regular users seeking a dependable, easy-to-apply thermal paste for daily use and maintenance.
ARCTIC MX-6 Thermal Paste
Good thermal conductivity for everyday high-performance cooling
View on Amazon →
Pros & cons at a glance
Thermal Grizzly Duronaut Therm
✓ Exceptional thermal conductivity for high-performance cooling
✗ Requires careful application to avoid excess
Thermal Grizzly Kryonaut
✓ Exceptional thermal conductivity for demanding applications
✗ Small quantity requiring frequent reapplications
ARCTIC MX-7 Thermal Paste
✓ Excellent long-term stability and durability
✗ Cannot be manually spread, relies on natural distribution
Thermal Grizzly Kryonaut 1 Gra
✓ Outstanding thermal conductivity for demanding applications
✗ Limited quantity may require multiple applications
ARCTIC MX-6 Thermal Paste
✓ Good thermal conductivity for everyday high-performance cooling
✗ Small 4g size may require frequent reapplications
ARCTIC MX-6 Thermal Paste
✓ High thermal conductivity for efficient cooling
✗ Limited to 4 g, requiring frequent reapplication
ARCTIC MX-7 Thermal Paste
✓ Outstanding heat transfer performance
✗ Cannot be spread manually, which may complicate application
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity for efficient cooling
✗ Limited to 4 g, needing reapplication for multiple uses
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity for effective cooling
✗ Bulk size may be cumbersome for simple or single-use scenarios
ARCTIC MX-4 4g Thermal Paste f
✓ High thermal conductivity for efficient heat dissipation
✗ Limited to 4 g, requiring multiple reapplications for many devices
Noctua NT-H2 3.5g Thermal Comp
✓ Easy to apply and clean with included wipes
✗ Application quantity varies significantly depending on CPU size
Thermal Grizzly Kryonaut Extre
✓ High thermal conductivity for demanding overclocking
✗ Requires careful application to avoid excess
Thermal Grizzly Kryonaut Extre
✓ Exceptional thermal conductivity for demanding applications
✗ Limited to 2 grams, may need multiple applications
ARCTIC MX-6 Thermal Paste
✓ Excellent thermal conductivity improves cooling
✗ Requires proper application to avoid excess
ARCTIC MX-7 Thermal Paste
✓ Excellent heat transfer performance
✗ Cannot be spread manually, relies on natural distribution

Complete the kit

EVEO Screen Cleaner Spray - Large Screen Cleaner Bottle -...
EVEO Screen Cleaner Spray – Large Screen Cleaner Bottle -…
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iO CLEAN Screen Cleaner Spray (16oz - 473ml) – Best Large...
iO CLEAN Screen Cleaner Spray (16oz – 473ml) – Best Large…
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Screen Cleaner Spray 16oz (4oz x 4 Pack) - TV & Computer...
Screen Cleaner Spray 16oz (4oz x 4 Pack) – TV & Computer…
Add to your setup →

Key Takeaways

  • High-performance pastes like Thermal Grizzly Kryonaut dominate for overclocking and demanding tasks, but come at a higher price point.
  • The ARCTIC MX series offers reliable thermal conductivity and excellent longevity at more affordable prices.
  • Application ease varies significantly; some pastes require careful spreading, while others are pre-applied or come with applicator tools.
  • Long-term durability and stability are critical for maintenance-free systems, making some pastes more suitable for ongoing use.
  • Larger quantities often provide better value but may be overkill for casual or occasional users.
2
Thermal Grizzly Kryonaut
Best for Demanding Overclocking with Easy Surface Preparation
1
Thermal Grizzly Duronaut Therm
Best Overall for Long-Term Stability and High-End Cooling
3
ARCTIC MX-7 Thermal Paste
Best for Long-Lasting Stability and Ease of Use

Our Top Best Thermal Pastes Picks

Thermal Grizzly Duronaut Thermal Paste, 6gThermal Grizzly Duronaut Thermal Paste, 6gBest Overall for Long-Term Stability and High-End CoolingVolume: 6gApplication: CPU, GPU, PS4, PS5, XboxKey Features: High thermal conductivity, long-term stabilityVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut – 1 Gram High-Performance Thermal Paste with Cleaning WipesThermal Grizzly Kryonaut - 1 Gram High-Performance Thermal Paste with Cleaning WipesBest for Demanding Overclocking with Easy Surface PreparationWeight: 1 GramApplication: Thermal paste for CPU/GPU/overclockingIncludes: 12 cleaning wipes (6 wet, 6 dry)VIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (8 g) – High Performance, Long DurabilityARCTIC MX-7 Thermal Paste (8 g) - High Performance, Long DurabilityBest for Long-Lasting Stability and Ease of UseCooling Method: ThermalCompatible Devices: Desktop, Gaming Console, Graphic Cards, LaptopItem Dimensions: 1″L x 0.6″W x 4.2″HVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal PasteThermal Grizzly Kryonaut 1 Gram High-Performance Thermal PasteBest for Extreme Overclocking and Demanding ApplicationsQuantity: 1 GramApplication: CPU, GPU, PS4, PS5, XboxThermal Conductivity: ExtremeVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste – 4g – High Performance CPU, GPU, and Console Cooling CompoundARCTIC MX-6 Thermal Paste - 4g - High Performance CPU, GPU, and Console Cooling CompoundBest for Versatile, Everyday High-Performance CoolingBrand: ARCTICModel Number: MX-6 (4 g)Included Components: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal CompoundARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) - High Performance CPU, GPU, and Laptop Thermal CompoundBest Overall for Versatility and SafetyWeight: 4 gIncludes: 6 MX CleanerType: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerBest for Long-Term Stability and Pump-Out ResistanceWeight: 4 gIncludes: MX-CleanerVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU/GPU CoolerARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU/GPU CoolerBest for Beginners and Ease of ApplicationQuantity: 4 gIncludes: SpatulaMaterial: Carbon microparticlesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (45 g)ARCTIC MX-4 Thermal Paste (45 g)Best for Long-Term, Multiple Device UseProduct Dimensions: 4.72 x 4.72 x 0.79 inchesItem Weight: 1.59 ouncesMaterial: Carbon microparticlesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 4g Thermal Paste for CPUs and GPUsARCTIC MX-4 4g Thermal Paste for CPUs and GPUsBest Long-Lasting, Reliable CoolingQuantity: 4 gMaterial: Carbon microparticlesElectrical Conductivity: Non-electrical conductiveVIEW LATEST PRICESee Our Full Breakdown
Noctua NT-H2 3.5g Thermal Compound with Cleaning WipesNoctua NT-H2 3.5g Thermal Compound with Cleaning WipesBest Overall Thermal Paste for Long-Term StabilitySize: 3.5gApplication: 3-20 applications (depending on CPU size)Included: 3 cleaning wipesVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning WipesThermal Grizzly Kryonaut Extreme Thermal Paste - 2g with Cleaning WipesBest for Demanding Overclocking and High-Performance UseSize: 2 gramsIncludes: 12 cleaning wipes (6 wet, 6 dry)Application: Easy syringe and applicator includedVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme – 2 Gram High-Performance Thermal Paste for CPU/GPU OverclockingThermal Grizzly Kryonaut Extreme - 2 Gram High-Performance Thermal Paste for CPU/GPU OverclockingBest for Immediate Thermal Reduction and Demanding OverclockingQuantity: 2 gramsSuitable for: CPU, GPU, PS4, PS5, XboxTemperature stability: Up to 80°CVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (8 g) – High Performance CPU, GPU, and Laptop Thermal CompoundARCTIC MX-6 Thermal Paste (8 g) - High Performance CPU, GPU, and Laptop Thermal CompoundBest Versatile Thermal Paste for Long-Lasting PerformanceBrand: ARCTICWeight: 8 gramsApplication: CPU, GPU, Laptop, ConsoleVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g) – High Performance, Long DurabilityARCTIC MX-7 Thermal Paste (4 g) - High Performance, Long DurabilityBest for Long-Term Stability and Easy ApplicationWeight: 4 gType: Thermal PasteApplication: CPU, GPU, Laptop, ConsoleVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
thermal pasteApplication
Thermal Grizzly Duronaut ThermCPU, GPU, PS4, PS5, Xbox
Thermal Grizzly KryonautThermal paste for CPU/GPU/overclocking
ARCTIC MX-7 Thermal Paste
Thermal Grizzly Kryonaut 1 GraCPU, GPU, PS4, PS5, Xbox
ARCTIC MX-6 Thermal Paste
ARCTIC MX-6 Thermal PasteCPU, GPU, Laptop, Console
ARCTIC MX-7 Thermal Paste
ARCTIC MX-4 Thermal Paste
ARCTIC MX-4 Thermal Paste
ARCTIC MX-4 4g Thermal Paste f
Noctua NT-H2 3.5g Thermal Comp3-20 applications (depending on CPU size)
Thermal Grizzly Kryonaut ExtreEasy syringe and applicator included
Thermal Grizzly Kryonaut Extre
ARCTIC MX-6 Thermal PasteCPU, GPU, Laptop, Console
ARCTIC MX-7 Thermal PasteCPU, GPU, Laptop, Console

More Details on Our Top Picks

  1. Thermal Grizzly Duronaut Thermal Paste, 6g

    Thermal Grizzly Duronaut Thermal Paste, 6g

    Best Overall for Long-Term Stability and High-End Cooling

    View Latest Price

    Thermal Grizzly Duronaut stands out for its outstanding thermal conductivity, making it ideal for overclocking enthusiasts and high-performance setups. Compared to Kryonaut, Duronaut offers more stable long-term performance, especially under sustained loads, but requires careful application due to its viscous nature. Its engineered combination of aluminum microparticles and zinc oxide nanoparticles enables ultra-thin layers, translating into efficient heat transfer without excess paste. This makes it suitable for demanding CPUs, GPUs, and gaming consoles like PS5 and Xbox. The main tradeoff is its higher price and the need for precise application, which may be daunting for beginners. Overall, Duronaut makes the most sense for users seeking top-tier stability and heat transfer for long-term high-performance use.

    Pros:
    • Exceptional thermal conductivity for high-performance cooling
    • Long-term stability suitable for overclocking
    • Efficient in thin application layers, reducing excess mess
    Cons:
    • Requires careful application to avoid excess
    • Higher price compared to standard pastes

    Best for: High-end overclockers and gamers who demand long-term thermal stability.

    Not ideal for: Casual users or those new to applying thermal paste, due to its careful application requirements.

    • Volume:6g
    • Application:CPU, GPU, PS4, PS5, Xbox
    • Key Features:High thermal conductivity, long-term stability
    Our verdict
    “Ideal for advanced users prioritizing stable, efficient heat transfer in demanding overclocking or long-term gaming setups.”
  2. Thermal Grizzly Kryonaut – 1 Gram High-Performance Thermal Paste with Cleaning Wipes

    Thermal Grizzly Kryonaut - 1 Gram High-Performance Thermal Paste with Cleaning Wipes

    Best for Demanding Overclocking with Easy Surface Preparation

    View Latest Price

    Thermal Grizzly Kryonaut is tailored for overclockers and enthusiasts needing maximum heat transfer, with a reputation for consistently excellent performance. Its high thermal conductivity surpasses many competitors, including the ARCTIC MX-7, making it ideal for pushing CPUs and GPUs to their limits. The included cleaning wipes simplify surface prep, especially for users who want a quick, clean application. The main limitation is its small 1-gram size, which can require multiple reapplications for larger heatsinks or prolonged use. While the price is higher per gram, its performance justifies the cost for demanding overclocking environments. This pick makes the most sense for users who prioritize top-tier thermal performance over quantity.

    Pros:
    • Exceptional thermal conductivity for demanding applications
    • Includes cleaning wipes for easy surface prep
    • Long-lasting performance that resists drying out
    Cons:
    • Small quantity requiring frequent reapplications
    • Higher cost per gram than larger pastes

    Best for: Overclockers and power users seeking maximum thermal transfer with convenient surface prep.

    Not ideal for: Casual builders or those needing larger quantities for multiple systems, due to limited size and higher cost.

    • Weight:1 Gram
    • Application:Thermal paste for CPU/GPU/overclocking
    • Includes:12 cleaning wipes (6 wet, 6 dry)
    Our verdict
    “Best suited for overclockers and enthusiasts who need peak heat transfer with easy surface cleaning in a compact package.”
  3. ARCTIC MX-7 Thermal Paste (8 g) – High Performance, Long Durability

    ARCTIC MX-7 Thermal Paste (8 g) - High Performance, Long Durability

    Best for Long-Lasting Stability and Ease of Use

    View Latest Price

    ARCTIC MX-7 offers a balanced approach, delivering solid heat transfer with long-term stability, making it suitable for users who value durability over extreme performance. Its viscous, performance-optimized consistency avoids pump-out and drying, providing a reliable thermal interface over time. Compared to Kryonaut, MX-7 is less aggressive in heat transfer but is easier to apply thanks to its viscous nature, which naturally spreads across surfaces. It’s non-conductive and safe for all devices, and cleaning with MX Cleaner is straightforward. However, its viscosity can challenge users aiming for precise manual spreading, especially on large heatsinks. This paste is ideal for those who want a dependable, long-lasting solution without fuss.

    Pros:
    • Excellent long-term stability and durability
    • Non-conductive and safe for all devices
    • Easy to clean with MX Cleaner
    Cons:
    • Cannot be manually spread, relies on natural distribution
    • Viscous consistency may make initial application tricky

    Best for: Home users and system builders seeking durable, no-fuss thermal paste for long-term use.

    Not ideal for: Overclockers or users seeking maximum thermal performance, as MX-7 trades some transfer efficiency for stability.

    • Cooling Method:Thermal
    • Compatible Devices:Desktop, Gaming Console, Graphic Cards, Laptop
    • Item Dimensions:1″L x 0.6″W x 4.2″H
    Our verdict
    “Best for users who prioritize consistent, long-lasting thermal performance with minimal fuss over raw heat transfer efficiency.”
  4. Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste

    Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste

    Best for Extreme Overclocking and Demanding Applications

    View Latest Price

    Kryonaut thermal paste is designed for users who demand the highest heat transfer performance, especially in overclocking scenarios. Its extreme thermal conductivity outperforms many contenders, including the ARCTIC MX-6, making it a favorite among enthusiasts. The included syringe and spatula facilitate precise application, reducing waste and mess. The 1-gram size, however, can be limiting for larger heatsinks or multiple applications, requiring careful planning. Despite its small size, Kryonaut’s ability to lower operating temperatures significantly enhances stability in demanding environments. It’s a clear choice for users who prioritize maximum thermal performance over quantity, especially those with experience applying thermal paste.

    Pros:
    • Outstanding thermal conductivity for demanding applications
    • Easy to apply with syringe and spatula included
    • Long-lasting performance without drying out
    Cons:
    • Limited quantity may require multiple applications
    • Higher price per gram compared to larger pastes

    Best for: Overclockers and enthusiasts needing the best possible heat transfer for critical performance gains.

    Not ideal for: Casual users or those with larger heatsinks needing more paste, due to limited quantity and higher cost.

    • Quantity:1 Gram
    • Application:CPU, GPU, PS4, PS5, Xbox
    • Thermal Conductivity:Extreme
    Our verdict
    “Perfect for overclockers and high-performance builders who need maximum heat transfer in a small package.”
  5. ARCTIC MX-6 Thermal Paste – 4g – High Performance CPU, GPU, and Console Cooling Compound

    ARCTIC MX-6 Thermal Paste - 4g - High Performance CPU, GPU, and Console Cooling Compound

    Best for Versatile, Everyday High-Performance Cooling

    View Latest Price

    ARCTIC MX-6 offers a reliable, high-performance thermal interface suitable for a broad range of devices, from PCs to consoles. Its non-conductive formula ensures safety and ease of use, comparable to the MX-7 but with a slightly smaller 4-gram size. While the smaller size may mean more frequent reapplications, it provides a good balance of thermal conductivity and user-friendly application for everyday users. Compared to Kryonaut or Duronaut, MX-6 is less specialized but more accessible for general use. It’s an excellent choice for those who want dependable cooling without the premium price or complexity, though larger heatsinks might require multiple reapplications over time.

    Pros:
    • Good thermal conductivity for everyday high-performance cooling
    • Non-conductive and safe to use
    • Easy to apply across a variety of devices
    Cons:
    • Small 4g size may require frequent reapplications
    • Less aggressive thermal transfer compared to Kryonaut or Duronaut

    Best for: Regular users seeking a dependable, easy-to-apply thermal paste for daily use and maintenance.

    Not ideal for: Extreme overclockers or users who need maximum thermal performance, due to its balanced rather than top-tier transfer rate.

    • Brand:ARCTIC
    • Model Number:MX-6 (4 g)
    • Included Components:Thermal Paste
    Our verdict
    “Best for users who want a reliable, versatile thermal paste for routine cooling tasks without fuss.”
  6. ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound

    ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) - High Performance CPU, GPU, and Laptop Thermal Compound

    Best Overall for Versatility and Safety

    View Latest Price
    The ARCTIC MX-6 stands out for its high thermal conductivity and non-conductive formula, making it a reliable choice across CPUs, GPUs, and consoles. Compared to the ARCTIC MX-4, it offers similar safety and ease of use but with slightly improved thermal performance. Its 4-gram size is perfect for occasional upgrades but may require reapplication if used extensively. The included MX Cleaner adds convenience, yet the small tube limits long-term use for multiple devices. This paste is ideal for users who want a safe, versatile, and high-performing thermal interface without complex application requirements.
    Pros:
    • High thermal conductivity for efficient cooling
    • Non-conductive and safe for electronics
    • Versatile application across various devices
    • Includes MX Cleaner for easy removal
    Cons:
    • Limited to 4 g, requiring frequent reapplication
    • Not suitable for large-scale or continuous use

    Best for: PC builders and hobbyists who need a safe, multi-device thermal compound for occasional use.

    Not ideal for: Enthusiasts with multiple systems or frequent upgrades, as the small tube may run out quickly.

    • Weight:4 g
    • Includes:6 MX Cleaner
    • Type:Thermal Paste
    • Application:CPU, GPU, Laptop, Console
    Our verdict
    “This paste makes the most sense for users seeking a safe, versatile, and high-performance thermal compound for occasional upgrades.”
  7. ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    Best for Long-Term Stability and Pump-Out Resistance

    View Latest Price
    The ARCTIC MX-7 offers exceptional heat transfer and is designed to resist dry-out and pump-out, making it well-suited for demanding environments. Unlike the MX-6, which is more versatile but less resistant over time, the MX-7 emphasizes durability and long-term stability, ideal for overclocked systems or continuous operation. Its dense, viscous consistency means it cannot be spread manually, requiring careful application, but this also helps prevent uneven distribution. The included MX-Cleaner simplifies removal, yet proper technique is necessary to achieve optimal results. This thermal paste is perfect for users prioritizing long-lasting, stable cooling over ease of application.
    Pros:
    • Outstanding heat transfer performance
    • Resistant to pump-out and dry-out
    • Long-lasting stability for demanding use
    • Includes MX-Cleaner for easy removal
    Cons:
    • Cannot be spread manually, which may complicate application
    • Requires proper technique for best results

    Best for: Overclockers or users with systems running under heavy load for extended periods.

    Not ideal for: Beginners or those seeking quick, simple application, since the paste’s viscosity demands careful technique.

    • Weight:4 g
    • Includes:MX-Cleaner
    Our verdict
    “This pick makes the most sense for users who need a durable, stable thermal interface capable of handling prolonged high loads.”
  8. ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU/GPU Cooler

    ARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU/GPU Cooler

    Best for Beginners and Ease of Application

    View Latest Price
    The ARCTIC MX-4 is a popular choice thanks to its high thermal conductivity and non-electrical conductive formula, making it accessible for those new to thermal pastes. Its easy-to-apply nature, combined with included spatula, helps ensure a clean, even spread. Compared to the MX-7, the MX-4 is more geared toward typical gaming or moderate overclocking scenarios, offering excellent performance without the complexity. Its 4-gram size suits casual users but may require reapplication for multiple devices or repeated upgrades. This paste is ideal for beginners or users seeking reliable, straightforward thermal performance.
    Pros:
    • High thermal conductivity for efficient cooling
    • Easy to apply with included spatula
    • Safe and non-electrical conductive
    • Suitable for beginners
    Cons:
    • Limited to 4 g, needing reapplication for multiple uses
    • Not designed for extreme overclocking or continuous high loads

    Best for: Newcomers, PC builders, or those seeking a simple, effective thermal solution.

    Not ideal for: Overclockers or heavy users needing long-term stability under continuous high loads, due to the small size and reapplication needs.

    • Quantity:4 g
    • Includes:Spatula
    • Material:Carbon microparticles
    • Safety:Non-electrical conductive
    Our verdict
    “This paste is best suited for beginners or casual users who want a simple, reliable thermal compound.”
  9. ARCTIC MX-4 Thermal Paste (45 g)

    ARCTIC MX-4 Thermal Paste (45 g)

    Best for Long-Term, Multiple Device Use

    View Latest Price
    The ARCTIC MX-4 45g stands out for its large size and proven high thermal conductivity, making it suitable for multiple upgrades or extensive builds. Unlike the 4g versions, this bulk container offers extended value, especially for enthusiasts or technicians. Its non-electrical, carbon microparticle composition ensures safety across various applications, and its reputation for easy application remains intact. However, the larger size means more reapplication over time if used on many devices, and some may find it less convenient for quick fixes. This product makes the most sense for those who need a dependable, high-performance compound for ongoing use on multiple systems.
    Pros:
    • High thermal conductivity for effective cooling
    • Ideal for multiple reapplications and ongoing projects
    • Safe, non-electrical conductive formula
    • Proven performance with high user ratings
    Cons:
    • Bulk size may be cumbersome for simple or single-use scenarios
    • Reapplication required for each device, despite durability

    Best for: System builders, repair shops, or enthusiasts managing multiple devices over time.

    Not ideal for: Casual users or those with a single or infrequent upgrade cycle, due to its size and bulk.

    • Product Dimensions:4.72 x 4.72 x 0.79 inches
    • Item Weight:1.59 ounces
    • Material:Carbon microparticles
    • Electrical Conductivity:Non-electrical conductive
    • Durability:Up to 8 years
    Our verdict
    “This product is best for those who need a reliable, high-performance thermal paste for long-term, multi-device use.”
  10. ARCTIC MX-4 4g Thermal Paste for CPUs and GPUs

    ARCTIC MX-4 4g Thermal Paste for CPUs and GPUs

    Best Long-Lasting, Reliable Cooling

    View Latest Price
    The ARCTIC MX-4 4g continues its reputation for high thermal conductivity and durability, with an impressive lifespan of up to 8 years. Its carbon microparticle composition provides safe, effective heat transfer, making it suitable for both beginners and seasoned builders. Compared with the smaller 4g tube, this larger quantity offers better value for those upgrading multiple systems or performing regular maintenance. While its non-conductive nature reduces risk, the limited size means reapplication may be needed over time. This paste is perfect for users prioritizing long-term, dependable cooling without fuss.
    Pros:
    • High thermal conductivity for efficient heat dissipation
    • Long lifespan up to 8 years
    • Safe, non-electrical conductive formula
    • Easy to apply for all skill levels
    Cons:
    • Limited to 4 g, requiring multiple reapplications for many devices
    • Not intended for extreme overclocking environments

    Best for: Users who want a long-lasting thermal paste suitable for multiple devices or ongoing maintenance.

    Not ideal for: Those with a single system or infrequent upgrades, as the 4 g size might be insufficient.

    • Quantity:4 g
    • Material:Carbon microparticles
    • Electrical Conductivity:Non-electrical conductive
    • Durability:Up to 8 years
    Our verdict
    “This thermal paste is ideal for users seeking a durable, long-lasting solution for multiple systems or ongoing maintenance.”
  11. Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes

    Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes

    Best Overall Thermal Paste for Long-Term Stability

    View Latest Price

    The Noctua NT-H2 earns its place as the best overall pick thanks to its reliable heat transfer and ease of use. Compared to products like ARCTIC MX-6, NT-H2 offers superior long-term stability, making it ideal for users who want to set and forget. Its included cleaning wipes simplify application and maintenance, while its compatibility with a wide range of devices ensures versatility. However, the amount needed varies significantly based on CPU size, which can lead to waste for smaller applications. The absence of explicit pricing details might also impact value perception. Overall, this paste suits those seeking a dependable, low-maintenance solution for extensive use over years.

    Pros:
    • Easy to apply and clean with included wipes
    • Provides excellent heat transfer for CPUs and GPUs
    • Long-term stability and reliable performance
    Cons:
    • Application quantity varies significantly depending on CPU size
    • No specific price information available

    Best for: Enthusiasts and professionals seeking long-term, stable thermal transfer with minimal fuss

    Not ideal for: Casual users or those with small-scale builds who prefer inexpensive, short-term solutions

    • Size:3.5g
    • Application:3-20 applications (depending on CPU size)
    • Included:3 cleaning wipes
    • Compatibility:Air and liquid coolers, AMD Ryzen, Intel Core, AMD Radeon, Nvidia GeForce, PS4/PS5, Xbox, laptops
    • Long-term stability:Up to 3 years storage, up to 5 years on CPU
    Our verdict
    “This paste is best for users prioritizing stability and durability over initial cost or quantity.”
  12. Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning Wipes

    Thermal Grizzly Kryonaut Extreme Thermal Paste - 2g with Cleaning Wipes

    Best for Demanding Overclocking and High-Performance Use

    View Latest Price

    Kryonaut Extreme stands out for its exceptional thermal conductivity, making it ideal for overclockers and high-performance setups. Compared with Thermal Grizzly Kryonaut (standard 1g), the Extreme version offers superior heat dissipation at the cost of higher price and a slightly smaller size. Its included cleaning wipes facilitate surface prep, ensuring optimal application. This paste excels at maintaining stability under intense workloads, but its higher cost and need for precise application might deter casual users. For those pushing hardware to its limits, Kryonaut Extreme provides the cooling margin necessary for sustained high-performance operation.

    Pros:
    • High thermal conductivity for demanding overclocking
    • Includes cleaning wipes for easy surface prep
    • Long-lasting stability at high temperatures
    Cons:
    • May be more expensive than standard pastes
    • Requires careful application to avoid excess

    Best for: Overclockers and enthusiasts who need maximum thermal performance and stability

    Not ideal for: Casual users or budget-conscious builders who prioritize price over extreme thermal performance

    • Size:2 grams
    • Includes:12 cleaning wipes (6 wet, 6 dry)
    • Application:Easy syringe and applicator included
    • Temperature Stability:Up to 80°C
    • Particle Content:Nano-aluminum oxide particles
    • Curing:Non-curing formula
    Our verdict
    “This paste is best suited for users who demand peak thermal performance and can handle precise application.”
  13. Thermal Grizzly Kryonaut Extreme – 2 Gram High-Performance Thermal Paste for CPU/GPU Overclocking

    Thermal Grizzly Kryonaut Extreme - 2 Gram High-Performance Thermal Paste for CPU/GPU Overclocking

    Best for Immediate Thermal Reduction and Demanding Overclocking

    View Latest Price

    Kryonaut Extreme earns a spot for its exceptional heat transfer capabilities, making it perfect for overclocked CPUs and GPUs. When compared to the Noctua NT-H2, it offers immediate temperature drops and noise reduction, but in a smaller 2g syringe, it might require multiple applications for extensive use. Its included syringe and applicator simplify precise application, reducing the risk of excess. However, its limited quantity could be a drawback for larger projects or multiple builds. For users focused on maximum cooling efficiency in tight spaces, Kryonaut Extreme delivers rapid, reliable results at high workloads.

    Pros:
    • Exceptional thermal conductivity for demanding applications
    • Easy to apply with included syringe and applicator
    • Reduces temperature and noise levels
    Cons:
    • Limited to 2 grams, may need multiple applications
    • More expensive per gram compared to larger quantities

    Best for: Overclockers and high-performance PC builders focused on immediate cooling gains

    Not ideal for: Casual users or those with extensive systems who need larger quantities at lower cost

    • Quantity:2 grams
    • Suitable for:CPU, GPU, PS4, PS5, Xbox
    • Temperature stability:Up to 80°C
    Our verdict
    “This thermal paste is ideal for high-performance and overclocked systems where immediate thermal gains are required.”
  14. ARCTIC MX-6 Thermal Paste (8 g) – High Performance CPU, GPU, and Laptop Thermal Compound

    ARCTIC MX-6 Thermal Paste (8 g) - High Performance CPU, GPU, and Laptop Thermal Compound

    Best Versatile Thermal Paste for Long-Lasting Performance

    View Latest Price

    The ARCTIC MX-6 strikes a balance between performance and versatility, making it a strong choice for users who want a safe, high-conductivity paste for multiple devices. Compared with ARCTIC MX-7, MX-6 offers a larger 8g volume, suitable for multiple reapplications across several builds or long-term maintenance. Its non-conductive nature minimizes risk, while its high thermal conductivity improves cooling for CPUs, GPUs, and laptops. The need for proper application to avoid excess paste is a minor tradeoff, but its long-lasting performance makes it worth it for those seeking reliability over frequent reapplication. It’s well-suited for users needing a safe, multi-purpose thermal compound.

    Pros:
    • Excellent thermal conductivity improves cooling
    • Non-conductive and safe to use
    • Versatile for CPUs, GPUs, and laptops
    Cons:
    • Requires proper application to avoid excess
    • Limited to 8 grams, may need frequent reapplication

    Best for: Users who want a versatile, long-lasting thermal paste for multiple devices or regular reapplication

    Not ideal for: Beginners who prefer simpler, single-application pastes or those with very limited budgets

    • Brand:ARCTIC
    • Weight:8 grams
    • Application:CPU, GPU, Laptop, Console
    • Thermal Conductivity:Very high
    • Electrical Conductivity:Non-conductive
    • Durability:Long-lasting
    Our verdict
    “This paste is ideal for users seeking a reliable, multi-device thermal compound that lasts over time.”
  15. ARCTIC MX-7 Thermal Paste (4 g) – High Performance, Long Durability

    ARCTIC MX-7 Thermal Paste (4 g) - High Performance, Long Durability

    Best for Long-Term Stability and Easy Application

    View Latest Price

    The ARCTIC MX-7 offers a dense, viscous consistency that ensures stable, long-term thermal performance, making it suitable for users who prioritize durability. When compared to MX-6, the 4g size might require more frequent reapplications, especially for multiple systems, but its design minimizes pump-out and dry-out issues. The non-conductive nature makes it safe for all devices, and its ease of application suits users who prefer less manual spreading—though this can be a disadvantage for those who favor manual control. It’s an excellent choice for users seeking a maintenance-free long-term solution, despite needing to apply more often than larger-volume pastes.

    Pros:
    • Excellent heat transfer performance
    • Long-lasting stability without frequent reapplication
    • Safe for all electronic devices
    Cons:
    • Cannot be spread manually, relies on natural distribution
    • Less suitable for manual applicators

    Best for: Long-term users and system builders who prefer a stable, maintenance-free thermal paste

    Not ideal for: Users needing large quantities or manual spreaders who prefer precise control

    • Weight:4 g
    • Type:Thermal Paste
    • Application:CPU, GPU, Laptop, Console
    • Electrical Conductivity:Non-conductive
    Our verdict
    “This paste suits those prioritizing long-term stability and minimal maintenance over manual application control.”
best thermal pastes
What makes a great thermal paste
1
Thermal Conductivity and Performance
The primary reason for choosing a thermal paste is its ability to transfer heat efficiently from your CPU or GPU to the heatsink.
2
Ease of Application and Spreading
Some thermal pastes come with applicator tools or are pre-applied, simplifying the process.
3
Durability and Long-Term Stability
Thermal paste degrades over time, especially under high temperatures.
4
Special Features and Compatibility
Some pastes are optimized for specific use cases, like extreme overclocking or thin-profile heatsinks.
How to choose your thermal paste
1
How we picked
We evaluated these thermal pastes based on key criteria that matter to a wide range of users: thermal conductivity, ease
2
Thermal Conductivity and Performance
The primary reason for choosing a thermal paste is its ability to transfer heat efficiently from your CPU or GPU to the
3
Ease of Application and Spreading
Some thermal pastes come with applicator tools or are pre-applied, simplifying the process.
4
Durability and Long-Term Stability
Thermal paste degrades over time, especially under high temperatures.
5
Special Features and Compatibility
Some pastes are optimized for specific use cases, like extreme overclocking or thin-profile heatsinks.
Vetted thermal pastes ·
The best thermal pastes, compared
★ Winner Thermal Grizzly Duronaut Therm
Best Overall for Long-Term Stability and High-End Cooling
15compared

How We Picked

We evaluated these thermal pastes based on key criteria that matter to a wide range of users: thermal conductivity, ease of application, long-term stability, and value. We prioritized products with proven performance in high-stress scenarios like overclocking, while also considering user-friendliness and packaging quality. Our rankings reflect a balance between premium performance and affordability, ensuring that both enthusiasts and everyday users find suitable options. Products were compared directly against one another, with attention to consistency, durability, and overall value for money.
Which thermal paste fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Thermal Pastes

Choosing the best thermal paste involves multiple factors that go beyond simple performance metrics. Understanding these factors helps tailor your selection to your specific cooling needs, budget, and skill level. Whether you’re building a new PC or performing maintenance, considering application method, thermal conductivity, and longevity can make a significant difference in your system’s stability and lifespan.

Thermal Conductivity and Performance

The primary reason for choosing a thermal paste is its ability to transfer heat efficiently from your CPU or GPU to the heatsink. Higher thermal conductivity usually means better cooling performance, which is critical for overclocking or high-performance setups. However, pastes with excellent conductivity may be more expensive or more difficult to apply evenly. Balancing performance with ease of application is essential, especially for less experienced users.

Ease of Application and Spreading

Some thermal pastes come with applicator tools or are pre-applied, simplifying the process. Others require careful spreading or a specific amount to avoid air gaps, which can reduce efficiency. For beginners, a paste with a smooth consistency and an included applicator can save frustration and ensure uniform coverage. More advanced users might prefer a paste that allows precise control over the application thickness.

Durability and Long-Term Stability

Thermal paste degrades over time, especially under high temperatures. Long-lasting formulas are essential for systems that require minimal maintenance, such as servers or 24/7 workstations. Some pastes include additives that resist drying out and pump-out, extending their lifespan. Investing in a durable paste can save time and effort during future maintenance sessions.

Price and Quantity

Price often correlates with performance and quantity. Larger tubes typically offer better value, especially if you plan multiple reapplications. However, for casual users, smaller quantities may suffice and reduce waste. It’s important to consider your usage frequency and budget when selecting a paste, as overspending on a high-end product might not be necessary for all users.

Special Features and Compatibility

Some pastes are optimized for specific use cases, like extreme overclocking or thin-profile heatsinks. Others may include cleaning wipes or spatulas for convenience. Compatibility with different surfaces, like copper or aluminum heatsinks, can influence performance and longevity. Paying attention to these details ensures you choose a paste that aligns with your system components and maintenance preferences.

Frequently Asked Questions

How often should I reapply thermal paste?

The frequency of reapplication depends on the thermal paste quality and your system’s workload. Generally, high-quality pastes can last 3 to 5 years before needing reapplication, especially if temperatures remain stable. Systems subjected to frequent overclocking or high temperatures might require more frequent maintenance, around every 1-2 years. Regular checks can help determine if performance has degraded, indicated by higher idle or load temperatures.

Can I use any thermal paste for my CPU or GPU?

While most thermal pastes are compatible with CPUs and GPUs, not all are optimized for every component. Some pastes perform better with high heat loads, making them ideal for overclocking, while others focus on ease of application or long-term stability. Compatibility with your specific heatsink material (copper, aluminum, etc.) can also influence performance. Reading product specs and reviews tailored to your hardware ensures you select the right paste.

Is it better to spread the thermal paste or let it self-level?

Many modern thermal pastes are designed to self-level, which simplifies application for most users. Spreading paste manually can sometimes introduce air bubbles, reducing efficiency. For beginners, applying a small pea-sized amount and letting it spread naturally under pressure is usually enough. Advanced users opting for spread methods should do so carefully, ensuring an even layer without trapping air pockets.

What is the difference between thermal paste and thermal compound?

In most contexts, ‘thermal paste’ and ‘thermal compound’ refer to the same material used to facilitate heat transfer between a CPU or GPU and its heatsink. The terminology varies but does not imply different products. The key is selecting a high-quality compound that matches your thermal performance needs and application method, regardless of the term used.

Are expensive thermal pastes worth the extra cost?

Expensive pastes often offer higher thermal conductivity and better stability, making them worthwhile for overclockers or high-performance systems. However, for everyday use or casual builds, mid-range or budget options can provide sufficient cooling. The decision depends on your system’s demands and how much you prioritize maximum efficiency versus cost savings.

Conclusion

For most users, the Thermal Grizzly Kryonaut remains the best overall choice, offering top-tier performance for demanding tasks. Budget builders and those seeking long-term stability will find the ARCTIC MX-4 to be an excellent value. Enthusiasts and overclockers should consider the Kryonaut Extreme for its superior thermal transfer capabilities. Beginners should prioritize ease of application with products that include applicator tools, like the Noctua NT-H2. Tailoring your pick to your specific system and needs ensures optimal cooling and performance.

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