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The Gigabyte Z87/Haswell Overclocking(OC) Guide - Page 263

post #2621 of 3251
Quote:
Originally Posted by Cyro999 View Post


That point usually doesn't come at ~1.18vcore. I would re-validate the 4.2ghz OC with x264 (~5 pass, it's in the haswell overclocking thread with statistics OP on OCN) and shoot for 4.3ghz at ~0.03-0.06vcore higher using vrin 0.6 above vcore always
I would have said the same thing before Haswell....but all I have to go by is what people post. But I have seen quite some posts where much more vcore than I would expect is being used for less than x45 OC.

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post #2622 of 3251
Quote:
I would have said the same thing before Haswell....but all I have to go by is what people post. But I have seen quite some posts where much more vcore than I would expect is being used for less than x45 OC.

Lot of people are few hundred mhz below average, but a lot also throw way more vcore than actually needed
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post #2623 of 3251
KK guys i will try again tomarow the x42 and try the x43 and test the cache i gues (how do you propose to test it thou with AIDA or somethin else i mean test only the cache or cache +somethin else).
post #2624 of 3251
You can just leave cache at 33x, 1.15v until you're done overclocking the core and are stable, that way if you change a setting and it breaks you can say 100% that it's cache instability
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post #2625 of 3251
I had to set my uncore to 35 with 4.2 core clock, that is larger than sins 500 mhz gap, will I see a performance hit, or instability with that large of a gap ? I woke up in the AM today finding your pc has recovered from a error, meaning it probably bsod while lowering to idle values. So i set my system agent back to auto and uncore from 37 to 35, hopefully will help
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post #2626 of 3251
Quote:
I had to set my uncore to 35 with 4.2 core clock, that is larger than sins 500 mhz gap, will I see a performance hit, or instability with that large of a gap ?

No, not really. 50x/33x works fine and outperforms 48x/48x for basically everything. ~33x uncore while ocing other stuff, ~40x later works fine. Do you really have to lower it below that, though? I didn't see anyone have any troubles getting 40x, really
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post #2627 of 3251
So guys i need some tips how to test only the core clock. the uncore and so on.
Do i have to start OCing with LLC at extreme and disable the power savings or just set the core clock and the vcore and try to test it with aida(CPU and FPU test or test the cache and ram too) or somethin?
Strangly i don't get problems with temps.
I feel like i am doing something wrong biggrin.gif
My only good OC is x43 with 1,23vcore 1.83vccin
post #2628 of 3251
IDK 35 its stable 37 or 38 which would be about 300-500 isn't stable, it bsods randomly at times. 35 seems fine though and my question was is 35 x uncore bad ? with 4.2 ghz, I am wondering if i may need to increase uncore voltage to raise it slightly. My question was is it worth it to try and go higher or is 35x okay, and do most peopel even try and change uncore ?
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post #2629 of 3251
Quote:
So guys i need some tips how to test only the core clock. the uncore and so on.

Simple, just test core clock in a way that uncore can't be a problem, then only test uncore when core etc is stable so that the only thing that can throw errors from a test you've done, desktop stuff, games etc is uncore
Quote:
Originally Posted by Jedson3614 View Post

IDK 35 its stable 37 or 38 which would be about 300-500 isn't stable, it bsods randomly at times. 35 seems fine though and my question was is 35 x uncore bad ? with 4.2 ghz, I am wondering if i may need to increase uncore voltage to raise it slightly. My question was is it worth it to try and go higher or is 35x okay, and do most peopel even try and change uncore ?

35x is fine, you should manually set volts though. See what you can do on ~1.15-1.2v set
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post #2630 of 3251
I did set 1.15 manually but stable at 35x is good anything higher its unstable and bsod randomly ? any tips, memory is 1866 mhz down clocked to 1600 mhz.
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