Worried About CPU Temps

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KombatKarl

Commendable
Apr 17, 2016
3
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I built a PC with my son. It has an AMD FX-8320. We want to overclock so we installed a Hyper 212 Evo. I wish I had ran a stress test with the stock cooler so I'd have a baseline.

Idle temps hover between 30-40. Running Prime95 the temp goes up to 79. It runs for several minutes without stability issues. We are not overclocked yet. Once we stop the tests the temp drops like a rock back to 30-40 within 4-5 seconds, so it seems the cooler is working.

I'm using HWMonitor to check temps. Is there something better? What I want to know is if this is an ok temp considering it's a stress test, and is it worth going forward with overclock attempts? Or is it possible the cooler isn't installed right? I used the 2-step compound remover, then did the pea method when putting the thermal paste on (arctic silver). It's been a few years, but not my first build, so I'm not a total noob when it comes to overclocking and building.

Thanks for your help.
 
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K
Turned out it was install error. I'm almost embarrassed to say what it was. I was in the shower yesterday morning, funny how a shower clarifies your mind, and it dawned on me; there was a piece of plastic at the bottom of the cooler where it meets the CPU, presumably to prevent it from getting scratched during shipping, and I never removed it.

So, we removed the cooler, removed the plastic, cleaned the cpu, put on fresh paste, and he's now overclocked to 4300 Mhz, with Aida64 pushing it up to only 40 C. We let Aida64 run for about 20 minutes. We tried 4400 Mhz but Aida64 stopped the test after a few minutes. It was getting late though so we just moved it back to 4300 Mhz. We'll try to play with the voltage to see if we can get higher...
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Will_96

Commendable
Apr 17, 2016
10
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1,510
I have that cpu, Amd stock coolers are not very good at keeping temperatures low, i replaced mine with a corsair hydro h50 and it now runs at around 40c under load.
 
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The_Man12

Honorable
Mar 22, 2014
224
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10,760
How weird, you see, I don't trust HWMonitor a lot, I prefer Open Hardware Monitor. Try that one, if socket temps get past 70C, then stop the test immediately! Max temp for 8-core CPUs is 72C for socket and 61 for core (although it's said keeping it under 55 for cores leads to more longevity). If temperatures do go that high then try reapplying thermal paste and make sure the cooler is installed correctly. I myself have an FX-8370 and I'm using the same cooler you are and it runs just fine, my CPU is even a little bit overclocked from 4Ghz to 4.3Ghz (which is really what they call "turbo", but for some reason I had to do it manually, it wouldn't kick in)
 
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K

KombatKarl

Commendable
Apr 17, 2016
3
0
1,520
Turned out it was install error. I'm almost embarrassed to say what it was. I was in the shower yesterday morning, funny how a shower clarifies your mind, and it dawned on me; there was a piece of plastic at the bottom of the cooler where it meets the CPU, presumably to prevent it from getting scratched during shipping, and I never removed it.

So, we removed the cooler, removed the plastic, cleaned the cpu, put on fresh paste, and he's now overclocked to 4300 Mhz, with Aida64 pushing it up to only 40 C. We let Aida64 run for about 20 minutes. We tried 4400 Mhz but Aida64 stopped the test after a few minutes. It was getting late though so we just moved it back to 4300 Mhz. We'll try to play with the voltage to see if we can get higher another day.

I'm still worried that we shortened the life of the CPU though having it up to 79 C, when the max is supposedly 62 C.
 
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