delidded 8700k suddenly getting hot

greenbrucelee said:
seems like the repair has worked (although havent clocked it to 5GHz yet just at 4.9) max temp in cinebench 68 and prime which ony ran for 10 minutes with 1344FFT was 75
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Sounds good. All cores are now at similar temperatures to one another? The previous issue, where you had a big and consistent temperature variance across cores, is often due to the heat not being transferred from the CPU die to IHS properly.

Glad it seems to be all sorted now.
 
can confirm everything good. Clocked to 5GHz at 1.34v idle 28-30 depending on room temp AIDA64 cpu stress test never get above 68c after 2.5 hours, No failure on multiple runs on Cinebench also hits 68, OCCT hits 75C but passes but heres the odd one Prime 95 v26 temp never gets above 75 but it blue screens after 1 hour 55 minutes
 
greenbrucelee said:
but heres the odd one Prime 95 v26 temp never gets above 75 but it blue screens after 1 hour 55 minutes
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Personally, I wouldn't consider that stable. I'd continue to tweak the overclock settings because I'd rather have a slightly slower clock speed, but with the peace of mind that it's more stable. Just my own preference though.
 
an0nym0us said:
Personally, I wouldn't consider that stable. I'd continue to tweak the overclock settings because I'd rather have a slightly slower clock speed, but with the peace of mind that it's more stable. Just my own preference though.
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I'm not sure what else I can tweak apart from vcore. Maybe I will try upping it.
 
Mine needs 1.35v to be 100% stable at 5ghz. It will run lower but with the odd crash in any application.
 
an0nym0us said:
Try Vcore 1.35V to see if that helps stability.
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It fails at 3 hours in prime with 1.35v and 1.36. I dont think I did well in the silicone lottery

However 4.9 does not fail

I was thinking if doing my fan curves would help any

At the moment I have the cooler set to 50% at 34c (it idles around 29/30c apart from tonight which is quite humid and is idling at 33/34) then I have it at 55% at 58c, then 61% 65 then because of how asus doing things anything past 75c is 100%
 
greenbrucelee said:
yeah am doing. Not sure why it fails at 5GHz as temps never go passed 80c. Have done several tests on prime and blue screens with a different error every time.
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The thermal limit hasn't been reached, but looks like it might still not be enough voltage for that frequency. Assuming it's stable, I'd just leave it at 4.9GHz and not worry about it any further.
 
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greenbrucelee said:
yeah am doing. Not sure why it fails at 5GHz as temps never go passed 80c. Have done several tests on prime and blue screens with a different error every time.
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can you confirm load mhz speed and max core voltage after a cinebench 20 multicore run ? i would use hwinfo and coretemp. post the score here.

go into bios and confirm llc setting.

doing an avxclock offset might be what
you need if the chip is not strong enough at 5ghz avx. there is a more complex method of using a voltage offset for avx if your board has it.
 
Besty said:
can you confirm load mhz speed and max core voltage after a cinebench 20 multicore run ? i would use hwinfo and coretemp. post the score here.

go into bios and confirm llc setting.

doing an avxclock offset might be what
you need if the chip is not strong enough at 5ghz avx. there is a more complex method of using a voltage offset for avx if your board has it.
Click to expand...


sorry for not replying been busy

load speed is 4901 and 1.34V llc is level 6. I have tries with speedstep on and off and also windows power management at high and balanced, AVX have tried 2 and 3
 
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