Thermal Grizzly Carbonaut Review vs. IC Diamond Thermal Pad & Thermal Paste Benchmarks

Reusable thermal pads are all the rage. We're reviewing the Thermal Grizzly Carbonaut pad versus IC Diamond's Graphite Thermal Pad, including benchmarks of Carbonaut vs. thermal paste.
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Watch our IC Diamond Graphite Thermal Pad Review for more information on how we do this testing: https://www.youtube.com/watch?v=niAQs8dZohE
Our CPU cooler review methodology is here: https://www.youtube.com/watch?v=fmTOJP4KOyk
Or written form here: https://www.gamersnexus.net/guides/3561-cpu-cooler-testing-methodology-most-tests-are-flawed

Scanning Electron Microscope photos taken by JOHANNES WEHNER.

This testing covers the Thermal Grizzly Carbonaut pad, which is primarily a competitor to the IC Diamond Graphite Thermal Pad. These two interfaces are alternatives to thermal paste, mostly marketing on claims of reusability, endurance (no paste dry-out or pump-out effect), and conformity to uneven surfaces. We're testing all of that here, using an uneven/unflat surface in the form of the Corsair A500 to benchmark the last claim versus traditional pastes, which have a lower minimum thinness than these pads can achieve. We're also looking at durability and reusability, thermal performance as tested in an extremely controlled environment, and value versus traditional paste solutions. Watch our IC Diamond review for methodological notes on the testing solution. As we said before, "real" computers -- even using heavily controlled test benches, as described in our CPU cooler methodology above -- are simply too variable and difficult to control for this type of testing. In order to accurately benchmark thermal interfaces, custom-engineered dummy heaters must be used in order to produce a meaningful difference. A "real-world" solution would either (A) produce unusable data due to variance, with no ability to trust said data, or (B) produce results that, in the absolute best case, are all within error. With our custom solution, which is a dummy heater in the exact shape of an Intel i9-9900K IHS, we're able to narrow-in results to produce meaningful data between the solutions. If you want to know what the best thermal pad or thermal paste is, this is the best way to produce that answer. We're working toward it still, but we're starting with a slew of graphite and carbon thermal pads.

Find the Thermal Grizzly Carbonaut pad (32x32mm) on Amazon: https://geni.us/cwLnKrB
Find the IC Diamond Graphite Thermal Pad (40x40mm) on Amazon: https://geni.us/56kk27 (we used one size-appropriate for the Intel DT IHS)
Find Thermal Grizzly Hydronaut on Amazon: https://geni.us/Fsray
or Arctic MX-4 on Amazon: https://geni.us/k3kT6

TIMESTAMPS

00:00 - IC Diamond & Paste vs. Thermal Grizzly Pads
01:52 - Why Paste is Almost Always Thermally Better
02:55 - Test Bench Decisions
04:13 - How Thermal Grizzly Carbonaut Works & Microscope Photos
07:05 - Thermal Grizzly Carbonaut & IC Diamond Pad Marketing
09:54 - Thermal Conductivity (W/mK) Claims Incomparable
11:07 - IC Diamond Graphite Pad vs. Carbonaut Thermal Benchmark
13:38 - Pressure Testing Notes & Hitachi HM01 Thermal Pad
14:32 - Unflat Coldplate Testing vs. IC Diamond & Carbonaut
18:20 - Conclusion: Paste vs. Graphite Thermal Pad & Carbonaut

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Editorial, Testing: Steve Burke
Video: Keegan Gallick, Andrew Coleman

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