this post was submitted on 19 Sep 2024
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PC Master Race

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Is my 5700x3d overheating at 85c or is it just hot? (lemmy.sdf.org)
submitted 2 months ago by sodamnfrolic@lemmy.sdf.org to c/pcmasterrace@lemmy.world
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I recently upgraded my PC from Ryzen 3600 and 3060 Ti to 5700x3d and 4080 Super. It works absolutely great, but I'm worried about the temps. Both my CPU and GPU get to about 85c max, 70-75c avarage running Cyberpunk 2077. I'm a bit worried as people report about 70-75c, not 85...

For cooling-relevant stuff, I've got a Phanteks P400S TG, 3 fans(1x120 in the back, 1x120 and 1x140 in the front) of meh quality, an absolute unit of a CPU cooler - dual tower, two fans, copper base, copper pipes, but from a local & budget (but renowned) manufacturer, the honeywell thermal pad (I know there are fakes, mine looked good but could a fake cause 10-15c temps increase?). Ambient temp is not an issue, it's at most 22c.

I'm running the GPU without any overclock or undervolt and I've applied MSI Kombo Strike 3 to the CPU.

I've got Fan Control running with auto settings, case fans to 100% at 85(either CPU or GPU), GPU to 100% at 85, CPU to 100% at 80.

If the temps are an issue, my best guess is I somehow messed up the thermal pad application, the case fans are not up to the task (especially with how the case restricts airflow from the front and the fans are only about ~1200RPM at 100%) or the GPU is pushing warm air up to the CPU. Any clues if that's an issue and if so, what's the cause?

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[–] FeelzGoodMan420@eviltoast.org 1 points 2 months ago* (last edited 2 months ago)

85C on the GPU core temp for the 4080 super is unusually hot in my opinion. It's not hot enough to melt the card but that seems weird. For comparison, my case has dogshit cooling and my 4080 super FE never go above 70C core temp, even in the summer when my room was hot as fuck Maybe you just need a more aggressive fan curve? You can set one in MSI Aftervurner.