i5 6600k high voltage with ASRock Auto OC feature?

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borowcy

Commendable
Aug 19, 2016
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1,510
Hello, I have recently built a PC with i5 6600k. I have a good enough air cooling to keep low temps, so I wanted to overclock it a little.

I wanted to do it manually, read few guides, but it's a new and expensive PC so I don't want to risk it in any way. So, upon reading that BIOS ASRock option called "Load Optimized OC Setting" is 100% safe, I decided to change it to the lowest setting - 4.2GHz.

After a short time in Prime95, the temperature goes up to 52*C, everything seems fine, CPU-z shows 4.2GHz. But I noticed that Core Voltage is 1.328v and goes up to 1.344v. Is it normal?

I browsed some screenshots from the same program with same processor, read some things, and I don't think it should be that high. Am I safe? Am I maybe in a situation in which it wouldn't hurt to increase the OC setting even more?

Thanks for help <3

Motherboard: ASRock Z170 Pro4S
 
Solution
synphul
Core voltage for skylake is generally safe for 24/7 use up to around 1.4v vcore. As sizzling mentioned, auto oc often uses more aggressive voltage than necessary. The motherboard presets are concerned with stability rather than the best settings, not all chips may need that much vcore at that speed but not all may be stable at less than that. Manual overclocking will generally give the best results using only enough voltage to keep the cpu stable. At 4.2 that's probabaly closer to 1.25v or 1.3v rather than 1.35v.
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borowcy

Commendable
Aug 19, 2016
13
0
1,510
Thank you, but is there a high enough possibility to consider that such an OC will break my processor? Like, when I'm running Prime95 it varies between 1.328 (sometimes 1.312) and 1.344, can it go higher for no reason and fry it or something?

The only thing I touched in BIOS regarding the CPU was the optimized auto setting. Sorry for being paranoid, wouldn't be able to handle losing it.
 
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synphul

synphul

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Mar 11, 2011
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Core voltage for skylake is generally safe for 24/7 use up to around 1.4v vcore. As sizzling mentioned, auto oc often uses more aggressive voltage than necessary. The motherboard presets are concerned with stability rather than the best settings, not all chips may need that much vcore at that speed but not all may be stable at less than that. Manual overclocking will generally give the best results using only enough voltage to keep the cpu stable. At 4.2 that's probabaly closer to 1.25v or 1.3v rather than 1.35v.
 
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