Is high voltage ok while the cpu has good temp?

ShadowRD · Jul 8, 2016

the only way i get an stable OC on my 8350 is with 1.52v, i know is too high, i shouldn't pass 1.5v but with 4 hours with aida64 (CPU and FPU stress) the average temp is 62.5 and the maximum is 64. i could get better temps with some intake fans and maybe some pulls fan to the radiator, right now i only have two push fans on the radiator and the default exhaust fan in the back of the case

so i just want to know if i could keep this OC at that Voltage or underclock a little bit to not pass 1.5v

CPU: fx-8350
Mobo: Gigabyte 970a-ud3p
cpu cooler: corsair h115i

DonkeyOatie · Jul 8, 2016

High voltages will slowly degrade your CPU, the faster, the warmer. I find it hard to believe that you need 1.52V for a stable overclock. You should be able to get a stable overclock at a much lower voltage. You should not need to underclock stock to get the voltage down.

ShadowRD · Jul 8, 2016

DonkeyOatie :

i tried with 1.51 and the system freeze after an hour and 15 minutes with aida64 stress (CPU n FPU). i was testing with lower voltage and add 0.5 after each try until the system got stable, and that was the final voltage to get stable

i forgot to mention that the OC is @ 4.8

DonkeyOatie · Jul 9, 2016

So your issue is that you cannot get a stable 4.8Ghz overclock at less than 1.52V? That's a lot different to not getting a stable overclock.

Every CPU is individual dues to slight manufacturing differences (like people), so it is possible that's as good as you can get. What overclocking guide/procedure are you following? Have you changed things other than Voltage and multiplier?

Suzuki@1473780084@1473780163 · Jul 9, 2016

Temperatures aren't even remotely close to voltage in terms of CPU degradation. A high voltage even if the temperatures are reasonable, is bad/much worse than higher temperatures but lower voltage.

I'm surprised your motherboard let you use 1.52V without displaying a warning message. Just keep in mind that if the CPU heats up too much during boot, you may end up in a loop where you have to reset the BIOS if it doesn't do it automatically.

0.5V seems like too much. I raise the voltage by 0.006250 at a time on the FX CPU's.

All the best!

ShadowRD · Jul 9, 2016

DonkeyOatie :

i have only changed voltage and multiplier

Suzuki@1473780084@1473780163 :

how can i know the temp during boot?, i use HWiNFO but the maximum temp that it reads i suppose is when the program open during log in, if i could use that temp so it has never pass 50c during boot

madmatt30 · Jul 9, 2016

I would say as good a board as the ud3p is you're pushing it with 4.8ghz above 1.5v personally.
If you wanted those kind of results you should have been looking at a board with 220w tdp support really.

Its a good result you have for what it is on essentially a fairly budget 970 series board.
Your chip is plain average to require that voltage but that's the luck of the draw.

ShadowRD · Jul 9, 2016

madmatt30 :

thanks, i know i should stay in/under 1.5v, i will test @ 4.7 under 1.5v

thanks for your time

madmatt30 · Jul 9, 2016

ShadowRD :

np mate,I would suggest (this is chip & ram speed dependant though) that the ud3p is very good when using a combo of mulitplier & fsb overclocking - this is ram dependant though really as fsb clocks also affect ram speed.
What ive always found is that a fsb clock of 218 ( if you have 1866mhz ram & set it to 1600mhz first/or 1600mhz ram & set to 1333mhz) & then use the multiplier will give you essentially the same or similar cpu overclock & native ram speed at substantially less voltage.

ShadowRD · Jul 10, 2016

madmatt30 :

ShadowRD :

np mate,I would suggest (this is chip & ram speed dependant though) that the ud3p is very good when using a combo of mulitplier & fsb overclocking - this is ram dependant though really as fsb clocks also affect ram speed.
What ive always found is that a fsb clock of 218 ( if you have 1866mhz ram & set it to 1600mhz first/or 1600mhz ram & set to 1333mhz) & then use the multiplier will give you essentially the same or similar cpu overclock & native ram speed at substantially less voltage.

i will try that, lets see what happen

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