Best Thermal Paste
15 products ranked across 68 cited reviews, videos and discussions · Updated 23 Sept 2026
On the stierproducts thermal paste board, ARCTIC MX-6 ranks #1 in S tier, ahead of ID-Cooling Frost X45 (#2, S tier) and ARCTIC MX-7 (#3, A tier). The board ranks 15 thermal paste from S (best) to F (avoid), last researched 23 Sept 2026, drawing on 68 cited reviews, videos and discussions. Placed in the bottom tiers as ones to avoid: AG eXtreme, Thermal Grizzly Kryonaut, Corsair TM30, and 2 others.
#6 2 of 7 research runs entered this as a product to avoid rather than a pick. Thermal Grizzly Phasesheet
#7 2 of 12 research runs entered this as a product to avoid rather than a pick. ARCTIC MX-4
#8 ID-Cooling Frost X55
#9 2 of 5 research runs entered this as a product to avoid rather than a pick. Thermal Grizzly Hydronaut
#10 3 of 7 research runs entered this as a product to avoid rather than a pick. Thermal Grizzly Kryosheet
#11 AG eXtreme
#12 8 of 12 research runs entered this as a product to avoid rather than a pick. Thermal Grizzly Kryonaut
#13 4 of 11 research runs entered this as a product to avoid rather than a pick. Corsair TM30
#14 4 of 8 research runs entered this as a product to avoid rather than a pick. Innovation Cooling Graphite Thermal Pad
#15 10 of 12 research runs entered this as a product to avoid rather than a pick. Thermal Grizzly Conductonaut
Frequently asked questions
ARCTIC MX-6 sits at #1 in the S tier of our consolidated board, ranked across independent research runs over 68 cited reviews, videos and discussions. The best everyday paste in current roundups, engineered against dry-out from a brand with a long durability track record, making it the default answer for a build you do not want to reopen.
ID-Cooling Frost X45 ranks #2 (S tier). Tom's Hardware's hands-down best tested performer and one of the cheapest here, held back under this lens only by a young longevity record compared with the established brands.
Our research places AG eXtreme, Thermal Grizzly Kryonaut, Corsair TM30, Innovation Cooling Graphite Thermal Pad, Thermal Grizzly Conductonaut in the bottom tiers (D/F). AG eXtreme: TermoPasty's testing endorses exactly what this lens buys - stability and durability for everyday machines - making it the dark-horse durability pick even though it is not the fastest paste on any bench.
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