HI. I have 8700K on stock with mobo Asus Z370 Pro Gaming + case Fractal Design R5. Cpu temps on games are fine 70C+.
3dmark physic test looped 70-80C.
When i run Asus Real Bench it skyrockets in stress test to 95C, and i am stopping test.
In Prime95 its worst with small ftt,but i guess its using AVX.
Any ideas why it causing this?
My cpu cooler is Cryorig M9i.Cpu is not overclocked.
XMP profile enabled in bios on memory 3000mhz. UEFI STOCK bios. Cpu clocks during test 4700mhz.
Too much paste can actually make the CPU overheat just as much as too little
I would remove the CPU cooler and clean the paste off and then put some new paste on and reinstall the cooler
I tried Unigine Heaven and its 50-65c max on some spots. I compared this with other the same. I dont know why only in this syntetics are very high temps
I was getting 90c+ on my CPU under water with low volts, I took the heatsink off, it looked like perfect spread of the TIM, but I cleaned it, applied more than before, and now my temps are about 80 with a higher overclock.
8700k at 4.7Ghz on all cores? Honestly that's about what I'd expect from a M9i handling a 8700k when stress testing. What's the cpu load while running realbench? The M9i is a low cost cooler meant to replace the stock cooler with a quieter option, not handle a 6 core 12 thread behemoth overclocked, I own one and can tell what it can do.
Your Asus board will have MCE enabled by default - OC'ing all cores to 4.7GHz (standard all core speed is 4.3GHz). You will also probably be running a high auto vcore. More over, the Cryorig M9 is a compact cooler.
All in all, I'm surprised your temps are as good as they are.
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