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Overclocking i5-3570k to 4.2 GHz, do these numbers look OK? - Page 2

post #11 of 36
I've had my 3570k at 4.2 ever since Ivy launched. It's never given me any trouble or heat issues but I have noticed that CPU-Z does show a noticeable increase in idle voltage as time has passed. Not high enough to be worrisome by any means but it is there.
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post #12 of 36
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

No, there are actually a lot of people on here who are loving their Z77 Pro4 and many are overclocking (or have overclocked) to as much as ~4.5 GHz and higher.

On an unrelated note - that is, to get back to what we were talking about earlier, I do recommend having some fun with experimentation to see what your CPU is capable of in this motherboard. Or you can even see how low you can get the voltage at 4.2 GHz. Sometimes, doing this can be far more fun than using the computer for things like gaming. lol

Haha, I totally know what you mean. I'm tempted to try to see if I can go higher than 4.2 or see if I can reduce my temps w/lower Vcore.... it's fun to see the benchmark numbers go up even though realistically in gaming it's not as much a 1:1 ratio of improving performance. But hey my CPU is 4 years old so I might as well try to squeeze out what's left of it.
post #13 of 36
Thread Starter 
Quote:
Originally Posted by BulletSponge View Post

I've had my 3570k at 4.2 ever since Ivy launched. It's never given me any trouble or heat issues but I have noticed that CPU-Z does show a noticeable increase in idle voltage as time has passed. Not high enough to be worrisome by any means but it is there.

I noticed too that my stock Automatic voltage seemed high (1.15V @ 3.6 GHz Turbo Boost, 1.04V @ 1.6 GHz) but maybe the automatic setting is conservative.

Can I ask what temperatures you're getting for your 4.2 GHz and what Vcore? I'm seeing around 80C max in IntelBurnTest on maximum stress level, at around 1.2-1.22 V.
post #14 of 36
Quote:
Originally Posted by adequatelength View Post

I noticed too that my stock Automatic voltage seemed high (1.15V @ 3.6 GHz Turbo Boost, 1.04V @ 1.6 GHz) but maybe the automatic setting is conservative.

Can I ask what temperatures you're getting for your 4.2 GHz and what Vcore? I'm seeing around 80C max in IntelBurnTest on maximum stress level, at around 1.2-1.22 V.

Idle



Running IBT, I know my temps are high I haven't replaced the paste under my 212 Evo since building her. I am debating my options on that for now. They used to be 73-77-ish.



If you ever want to get down and dirty overclocking your rig Twocables is the one to trust. He's never steered anyone wrong that I have seen.
Edited by BulletSponge - 6/27/16 at 5:24pm
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post #15 of 36

There's always a first time. hehe

 

Anyway, thank you, BulletSponge. I'm much more confident with Sandy Bridge overclocking, but fortunately both Sandy and Ivy are familiar enough that I'm capable of helping overclock Ivy Bridge to a degree. Maybe not to the same extent and depth as Sandy Bridge, but I love helping where I can. It's kind of a passion of mine I guess.

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post #16 of 36
I've had an I-3570k at 4.2 since its launch on a z77 pro4 under an evo 212 loaded daily for at least 6 hours. Idle temps are 32-34 load are 64-67. Don't know much other info arm as I am out of town. I have dif fans on the evo in push pull but besides that everything is the same.
post #17 of 36
Quote:
Originally Posted by adequatelength View Post

I noticed too that my stock Automatic voltage seemed high (1.15V @ 3.6 GHz Turbo Boost, 1.04V @ 1.6 GHz) but maybe the automatic setting is conservative.

Can I ask what temperatures you're getting for your 4.2 GHz and what Vcore? I'm seeing around 80C max in IntelBurnTest on maximum stress level, at around 1.2-1.22 V.

never use auto voltage when you're oc'ing, and that temp is bit higher imo.

check this nice guide for ivy oc'ing, you'll find infos for most of your questions in there imo.

http://www.overclock.net/t/1247413/ivy-bridge-overclocking-guide-with-ln2-guide-at-the-end
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post #18 of 36
Thread Starter 
Quote:
Originally Posted by BulletSponge View Post

Idle


Running IBT, I know my temps are high I haven't replaced the paste under my 212 Evo since building her. I am debating my options on that for now. They used to be 73-77-ish.


If you ever want to get down and dirty overclocking your rig Twocables is the one to trust. He's never steered anyone wrong that I have seen.

Nice work. I tried running 4.2 around the same voltage as you at first, but I kept failing IBT @ maximum stress level with 10 runs, though everything else on the computer seemed to be just fine. Did you ever get a chance to try IBT with maximum stress ?
post #19 of 36
Thread Starter 
Quote:
Originally Posted by Luciferxy View Post

never use auto voltage when you're oc'ing, and that temp is bit higher imo.

check this nice guide for ivy oc'ing, you'll find infos for most of your questions in there imo.

http://www.overclock.net/t/1247413/ivy-bridge-overclocking-guide-with-ln2-guide-at-the-end

Thanks for your input. What kind of temperatures do you think I should be getting? Intel BurnTest is so brutal.

My motherboard doesn't have a manual Vcore option. Do you advise against automatic because the BIOS tends to set the voltage too high? I see that a lot of people are using the "Offset" voltage mode. This is basically just a modified version of "Automatic" which either adds or subtracts an offset to the base automatic voltage right?

Anyways, I initially tried ~1.17 V but kept failing IBT maximum stress test. So now it SEEMS stable at 1.2... it's hard to get the motivation to run another 8 hour prime test biggrin.gif
post #20 of 36

One problem with IBT is, if your copy of IBT isn't using the AVX instruction set, then it's not going to be worth anything. Also, 10 runs in IBT is almost as good as nothing, even on maximum. You'd need to test 50-100 runs. Even then, Prime95's 'Custom' test for Blend using 80-85% of your memory is far better.

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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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