Good voltage for intel i5 3570k oc?

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asphyxion

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Nov 6, 2012
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Just installed my new i5 and decided to do some overclocking.
At the moment I have it at 4.5Ghz with 1.225V.
Is this good or should i change something?
 
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asphyxion

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Nov 6, 2012
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It seems stable, not had any crashes yet. When running prime 95, never goes above 65C, during the stress test it varies between 52 and 65.
 
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bigcyco1

bigcyco1

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Feb 11, 2012
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Nice your good then.:D

 
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asphyxion

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Nov 6, 2012
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Thanks thats good to know
 
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ericjohn004

ericjohn004

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Oct 26, 2012
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Hold on a second there. That voltage seems really low for you to be completely stable. It takes my like 1.325v to be COMPLETELY stable at 4.5Ghz and I have a 200$ motherboard. Granted you may have a better chip than me.

Do me a favor and run 150 passes of Intel Burn In Test. Then come back here and tell me if your stable. I can run 4.6Ghz at as little 1.250v. And I can run Prime95 all day long. But as soon as I run my 100-150 passes of Intel Burn In Test it fails until I take it up to 1.370v. And trust me, you don't wanna be in a make or break gaming session and have your CPU BSOD. I know from experience. You do not want to have even a slightly unstable CPU. Do you really want you CPU to be always on the brink of failing?

So do me that favor. Download Intel Burn In Test, set it to Very High, and type in 150. It'll take from 2-3 hours. At the very least, type in 50 and see how it goes. But I've passed with 50 before, then tried to run another 20 and had it fail. I know from experience, you need to run 150, but just to see if you can even make 10 passes you need to try IBT. Also, run all your games and do other activitys and make sure your PC doesn't BSOD during any "normal" activities. Keep in mind, if you CPU isn't stable you could experience low FPS in video games, not necessarily a BSOD. So a BSOD isn't the only bad thing about not being stable.

If you want to check very quickly if your stable or not, then run IBT on Very High, WHILE playing a fairly demanding game. You'll get low FPS, but if you don't BSOD, then you know your at least fairly stable, but you won't know for sure until you run those 150 passes. Some people run 500 passes or more. I'm good at 150 though.

I read on this forum once, a guy said, "as long as your stable enough doing normal activities it doesn't matter". He couldn't be more wrong.
 
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ericjohn004

ericjohn004

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Oct 26, 2012
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Oh BTW, if you fail IBT that doesn't necessarily mean you will BSOD. A pop-up comes up and it says that you failed the stress test and that you should reduce your overclock. Don't listen to that though, just up your voltage and try the test again. If the pop-up comes back up again then your still not stable. So just because you don't BSOD doesn't mean your stable. Once you've completed the test a pop-up comes up saying you've passed IBT. And if you get that pop-up after 150 passes then it's well deserved.

And keep your temps under 95c during IBT. That might seem high but your MAX is 105c. You'll never get your temps nearly as high as IBT says they are. With my 4.6Ghz overclock with 1.370v, my absolute MAX temp on my hottest core is 95c. So the average is really around 85c. Use Core Temp for your temps. It's the most reliable.
 
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