Top 10 Best silicon grease in 2026

Last Updated - 6/9/2026

🏆Best Choice

ARCTIC

ARCTIC MX-6 (8 g) - Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•20% BETTER PERFORMANCE: With its improved composition, the ARCTIC MX-6 has a measurably lower thermal resistance than the MX-4
•PROVEN QUALITY: With over 20 years of experience in the PC cooling market, our focus was on improved performance, versatile application possibilities and an easy-to-use consistency
•RISK-FREE APPLICATION: MX-6 is neither electrically conductive nor capacitive. This eliminates the risk of short circuits or discharges
•VERSATILE APPLICATION: With its new composition, the MX-6 is suitable for many application scenarios. Thanks to its viscosity, it is also suitable for direct-die cooling scenarios for GPUs of graphics cards or console processors
•100 % ORIGINAL DUE TO AUTHENTICITY CHECK: Due to our Authenticity Check, the authenticity of each individual product can be verified

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$8.99

$9.99

-10%

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Thermal Grizzly

Thermal Grizzly Kryonaut - 1 Gram - Extremly High Performance Thermal Paste - for Demanding Applications and Overclocking CPU/GPU/PS4/PS5/Xbox

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•EXTREME HEAT CONDUCTIVITY - With an exceptional thermal conductivity, Kryonaut is perfect for even the most demanding congurations and can be used in industrial cooling systems
•EASY APPLICATION - Featuring a specially designed syringe and spatula for spreading, Kryonaut guarantees effortless, comfortable, and precise paste distribution on your processor or graphics card
•LONG-LASTING EFFECT - Thanks to its unique and specialized structure, Kryonaut ensures long-lasting performance and does not dry out even at 80°C
•SURPRISING IMPACT - Experience a temperature drop right from the rst use, reducing device heat and enhancing operational comfort
•MARKET LEADER - Proven through extensive testing, the top choice in the market meets the highest quality standards, satisfying not only standard computer users but also passionate overclocking enthusiasts

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$8.99

$11.90

-24%

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ARCTIC

ARCTIC MX-6 (4 g) - Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•20% BETTER PERFORMANCE: With its improved composition, the ARCTIC MX-6 has a measurably lower thermal resistance than the MX-4
•PROVEN QUALITY: With over 20 years of experience in the PC cooling market, our focus was on improved performance, versatile application possibilities and an easy-to-use consistency
•RISK-FREE APPLICATION: MX-6 is neither electrically conductive nor capacitive. This eliminates the risk of short circuits or discharges
•VERSATILE APPLICATION: With its new composition, the MX-6 is suitable for many application scenarios. Thanks to its viscosity, it is also suitable for direct-die cooling scenarios for GPUs of graphics cards or console processors
•100 % ORIGINAL DUE TO AUTHENTICITY CHECK: Due to our Authenticity Check, the authenticity of each individual product can be verified

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$6.48

$13.99

-54%

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ARCTIC

ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•QUALITY: The design of our thermal paste packagings has changed several times, the formula of the composition has remained unchanged, so our MX pastes have stood for high quality
•PERFORMANCE: ARCTIC MX-4 thermal paste is made of carbon microparticles, guaranteeing extremely high thermal conductivity. This ensures that heat from the CPU/GPU is dissipated quickly & efficiently
•SAFE APPLICATION: The MX-4 is metal-free and non-electrical conductive which eliminates any risks of causing short circuit, adding more protection to the CPU and VGA cards
•AUTHENTICITY CHECK: Through our Authenticity Check, it is possible to verify the authenticity of every single product
•EASY TO APPLY: With an ideal consistency, the MX-4 is very easy to use, even for beginners

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$5.98

$8.99

-33%

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Noctua

Noctua NT-H2 3.5g, Thermal Computer Paste incl. 3 Cleaning Wipes (3.5g)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Premium-grade thermal compound for optimal heat-transfer from the CPU or GPU to the heatsink; second generation of Noctua’s award-winning NT-H1
•Easy to apply (no need to spread before heatsink installation) and easy to clean with supplied NA-CW1 cleaning wipes
•For air and liquid coolers (DIY/AiO), can significantly lower temperatures compared to stock pastes on AMD Ryzen and Intel Core CPUs, AMD Radeon and Nvidia GeForce GPUs, PS4/PS5, Xbox, laptops, etc.
•Trusted Noctua quality with excellent long-term stability: recommended storage time up to 3 years, recommended usage time on the CPU up to 5 years
•3.5g pack for around 3-20 applications (depending on CPU size, e.g. ~3 applications for TR4, ~20 for LGA1200); includes 3 NA-CW1 cleaning wipes

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$14.95

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BSFF

BSFF Thermal Paste, 1.8g with Toolkit CPU Paste Thermal Compound Paste Heatsink for IC/Processor/CPU/All Coolers, Carbon Based High Performance

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•SAFETY APPLICATION: BSFF is metal-free and non-conductive, which eliminates any risk of short circuit and adds more protection to the CPU and VGA card.
•BETTER THAN LIQUID METAL: It is made of carbon microparticles, guaranteeing extremely high thermal conductivity. This ensures that heat from the CPU/GPU is dissipated quickly & efficiently.
•HIGH DURABILITY: BSFF thermal paste Edition formula has excellent component heat dissipation performance and has the stability to push the system to the limit.
•EXCELLENT PERFORMANCE: In contrast to metal and silicon thermal conductive adhesives, BSFF thermal paste will not compromise over time. After applying, you do not need to apply again because it will last at least 5 years.
•EASY TO APPLY: BSFF thermal paste has ideal consistency and is very easy to use even for beginners

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$5.99

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Arctic Silver

Arctic Silver 5 AS5-3.5G Thermal Paste,Black, Grey

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Thermally enhanced ceramic particles
•3 unique shapes and sizes of pure silver particles
•Ensures best physical contact between the heatsink and CPU core
•Will not separate, run, migrate or bleed
•3.5g
•99.9% pure micronized silver
•Will not separate, run, migrate or bleed
•Thermal conductance: >350 000W/m2 degreesC (0.001 inch layer)
•Easy to apply and remove

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$11.99

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ARCTIC

ARCTIC MX-4 (incl. Spatula, 4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•WELL PROVEN QUALITY: The design of our thermal paste packagings has changed several times, the formula of the composition has remained unchanged, so our MX pastes have stood for high quality
•EXCELLENT PERFORMANCE: ARCTIC MX-4 thermal paste is made of carbon microparticles, guaranteeing extremely high thermal conductivity. This ensures that heat from the CPU/GPU is dissipated quickly & efficiently
•SAFE APPLICATION: The MX-4 is metal-free and non-electrical conductive which eliminates any risks of causing short circuit, adding more protection to the CPU and VGA cards
•100 % ORIGINAL THROUGH AUTHENTICITY CHECK: Through our Authenticity Check, it is possible to verify the authenticity of every single product
•EASY TO APPLY: With an ideal consistency, the MX-4 is very easy to use, even for beginners, Spatula incl.

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$5.98

$8.99

-33%

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Thermal Grizzly

Thermal Grizzly Kryonaut - 1 Gram - Extremely High Performance Thermal Paste + 12 Cleaning Wipes 6 Wet & 6 Dry - for Demanding Applications and Overclocking CPU/GPU/PS4/PS5/Xbox

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•EXTREME HEAT CONDUCTIVITY - With an exceptional thermal conductivity, Kryonaut is perfect for even the most demanding congurations and can be used in industrial cooling systems
•EASY APPLICATION - Featuring a specially designed syringe and spatula for spreading, Kryonaut guarantees effortless, comfortable, and precise paste distribution on your processor or graphics card
•LONG-LASTING EFFECT - Thanks to its unique and specialized structure, Kryonaut ensures long-lasting performance and does not dry out even at 80°C
•MARKET LEADER - Proven through extensive testing, the top choice in the market meets the highest quality standards, satisfying not only standard computer users but also passionate overclocking enthusiasts
•CLEANING WIPES: Comes with 5x Cleaning Wipes (wet & dry) so you can easily clean and degrease the surface for optimal thermal paste solution.

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$13.49

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Corsair

Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU | 3 Grams|w/applicator, silver for Desktop

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Enthusiast CPU Thermal Compound: Premium Zinc Oxide based thermal compound for optimal thermal performance.
•Cools your CPU and GPU: Install new, or replace existing thermal compound on your CPU and GPU to improve heat transfer and lower temperatures.
•Improved CPU Cooling: Ultra-low thermal impedance lowers CPU temperatures vs common thermal paste.
•Installation Made Easy: An included application stencil and spreader take the guesswork out of applying XTM50 to your CPU cooler.
•Filling the Gap: XTM50’s low-viscosity allows it to easily fill microscopic abrasions and channels for peak thermal transfer.
•Long Service Life: XTM50’s high-stability liquid compound lasts for years with no drying, cracking or change in consistency.
•Safe For You And Your PC: Non-conductive and contains zero volatile compounds.

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$7.88

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With our cutting-edge technology, we examine thousands of products and retailers, assessing reviews, ratings, trends, and sales rankings to identify what matters most to users like you.

Our team evaluates this data alongside genuine user feedback, merging AI analysis with human insights to provide you with real-time, highly-rated recommendations that empower your decision-making with clarity and confidence.