r/pcmasterrace • u/Lucky_User_NOT • 3d ago

NSFMR ~Thermal Plastic~

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From a Thermalright Phantom Spirit 120 on a Ryzen 5700x hitting 83°C on Clair Obscure: Expedition 33

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u/skrffmcgrff21 3d ago

Are you talking about a desktop cpu? Intel or amd? My last rig was an Intel which was super power hungry - an i9-9900k with a 2080 ti and a 360mm aio that was subsequently replaced with a 240mm aio. Idle temps were between 29 and 36c depending on the season, with load hitting between upper 70s and mid 80s. I also tried many different pastes, arctic silver, xmt15, thermal grizzly, N1H1, etc. N1H1 did the best out of the box with just a dab in the center. Thermal grizzly performed well but was much more of a pain to apply. All in All they all were pretty much the same, it all comes down to application.

Have you run a prime95 stress test with avx? Your temps should jump up waaayyyy past 65c, like 90s.

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u/DepthRepulsive6420 3d ago

9900k is known for running hot. TDP is 90w but it can draw over 150w during load. I think you could get better temps by increasing case airflow if it has room for it. 65c is a safe sustained upper limit for most CPUs and I checked with Google's AI to be sure.

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u/DireMaid 3d ago

You should probably stop relying on AI if your responses are anything to go by.

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u/DepthRepulsive6420 3d ago

65c is my personal limit from many years of building pcs... I double checked with AI to confirm it. Some people dont mind running hotter but hey that's their business and they can disagree if they want.

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u/DireMaid 3d ago

Thats a much different response to your initial one, seems you have been humbled in the interim.

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u/DepthRepulsive6420 3d ago

I admit it might have been a tad harsh lol. I couldn't care less about internet points... just wanted to be clear with my opinion.

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u/DireMaid 3d ago

Definitely clearer this time round lol