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My 3570k Overclocking Test Log - Heat Chart

post #1 of 15
Thread Starter 
Hey Guys,

I just wanted to share with you my overclocking test log attempts. I thought it would be a good idea to chart some of the key metrics so to visually see the relationship that forms among LLC Load Line, Offset, Max Temp, and Load Voltage for my CPU. The goal was to find the highest load level and lowest offset needed to run my CPU at desired ratio. Obviously, these results are only unique to my 3570k chip. This is no where near done..but a work in progress...

Few Things To Note:

  • The last time I overclocked was 5 years ago, so I am still learning. Ignore any noobish of mine. tongue.gif
  • I realize this data might be meaningless to you – I just thought it was a good idea and found it interesting.
  • I didn't decide to record load voltage until much later, hence the missing data.
  • If you have any advice, let me hear it!

Red = BSOD in Prime95
Orange = Error in Prime95, getting close to finding some stability.
Green = Considered "stable" by most people.
Yellow = Optimized OC!! or further testing needed in this area to find optimal overclock settings.

513

My 3570k CPU: takes very little voltage to get a decent "safe" or "standard" OC...however, it runs very hot..even at these awesome low voltage settings. sadsmiley.gif That being said, there could be multiple factors for why my CPU gets so hot - but that would be pointless to discuss here. In the end, I will probably settle for 4.4ghz or 4.3ghz OC...as it seems like my CPU keeps leaning me toward there.

Hope someone found this helpful or interesting at the least.
Edited by malikq86 - 6/9/12 at 10:58am
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post #2 of 15
what prime version did you use?

I noticed that I could be 12-17 hour prime stable custom blend with 90% of ram, but will crash in black ops. this is with v27.7
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post #3 of 15
Thread Starter 
Quote:
Originally Posted by homestyle View Post

what prime version did you use?
I noticed that I could be 12-17 hour prime stable custom blend with 90% of ram, but will crash in black ops. this is with v27.7

I am using v27.7, build 2.

Yeah I figure if I crash in-game I just need to increase Offset a bit...that *should* fix it.
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post #4 of 15
Listen,use manual cpu voltage setting. ( fixed voltage). turn off all c states and speed step.also lower pll voltage from 1.8v to 1.5-1.6 this will really help with temps. using offset mode like how ur doing will give you high temps, fixed will not. have mine running at 4.4ghz at 1.208v fixed with ultra LLC so it goes up to 1.216v to compensate for voltage droop. runs great with load temps around 56C and idle around 30C with noctua nhd14. follow graph. use cpuz and real temp to monitor voltage and temps. test with intel burn test 50 passes on max, prime95 for 24h on small ffts and bf3 for all around stability. mine had passed prime and IBT but failed in bf3 so had to raise voltage slightly. happy overclocking report back with results.

352
Edited by bf3er - 6/28/12 at 5:16pm
post #5 of 15
Thread Starter 
Quote:
Originally Posted by bf3er View Post

Listen,use manual cpu voltage setting. ( fixed voltage). turn off all c states and speed step.also lower pll voltage from 1.8v to 1.5-1.6 this will really help with temps. using offset mode like how ur doing will give you high temps, fixed will not. have mine running at 4.4ghz at 1.208v fixed with ultra LLC so it goes up to 1.216v to compensate for voltage droop. runs great with load temps around 56C and idle around 30C with noctua nhd14. follow graph. use cpuz and real temp to monitor voltage and temps. test with intel burn test 50 passes on max, prime95 for 24h on small ffts and bf3 for all around stability. mine had passed prime and IBT but failed in bf3 so had to raise voltage slightly. happy overclocking report back with results.
352

fixed voltage....ewwww....no thanks. lol jk.

  • Offset > fixed voltage imho...but to each his own.
  • You said, Offset mode will not make your temps higher than running fixed...that doesn't make any sense to me.
  • If your load temps are only 56C at 4.4ghz...you sir are a lucky man...that might be the best chip I've seen...golden for sure. I've never seen anyone hit only 56C max on load temps...unless you are referring to normal usage...like gaming...and NOT referring to stress test (real load).....

The only thing I am planning on doing this weekend is lower CPU PPL voltage...but yeah i might give fixed voltage a try.
Edited by malikq86 - 6/29/12 at 7:19am
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post #6 of 15
Wow nice but i can't help to notice, your temps seem a bit high for the voltage ur on. Especially for the a70 cooler. But yeah, the 3570k really does run hot, at the moment i'm doing 1.304v and temperatures top at 82 with 70% fan spees. At 1.328v my temps go to 85-86.
On max fan settings the highest volt i can throw at my chip is 1.38 with temps below 85. I've tested i need 1.375v for 4.7 and about 1.425 for 4.8.
But as can be seen by my temperatures i dont think thats happening anytime soon lol. Honestly thinking of replacing the tim inside the chip, apparently helps -10-15 degrees
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post #7 of 15
I bough my i5-3570k together with Asus Z77-M pro.rolleyes.gif using stock cooler; idle is averaging 42-47c and at full load it bumps to 80-85c with default no oc:mad: is this is ok? or should i buy a decent cooler or this is the time for water cooling!? also while assembled it i noticed that the thermal paste is quite little ( i compared it to my atlon 64 x2 5000+ way back 5yrs ago when it was plenty of paste)redface.gif...
is this the reason? or should i buy some paste like arctic or nuctua thermal paste?biggrin.gif

My second issue is when i manage to use the pre-oc of this mobo (called oc tuner or tpu switch)...first it manage a 4.2ghz oc and stable in the 1st place;) but when i played games like black ops the game was crashed and a blue screen of death appears...mad.gif i suspect my memory...how about you guy? if someone have same issue like this pls.smile.gif inform me..thumb.gif


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post #8 of 15
Quote:
Originally Posted by DarkRengin View Post

I bough my i5-3570k together with Asus Z77-M pro.rolleyes.gif using stock cooler; idle is averaging 42-47c and at full load it bumps to 80-85c with default no oc:mad: is this is ok? or should i buy a decent cooler or this is the time for water cooling!? also while assembled it i noticed that the thermal paste is quite little ( i compared it to my atlon 64 x2 5000+ way back 5yrs ago when it was plenty of paste)redface.gif...
is this the reason? or should i buy some paste like arctic or nuctua thermal paste?biggrin.gif
My second issue is when i manage to use the pre-oc of this mobo (called oc tuner or tpu switch)...first it manage a 4.2ghz oc and stable in the 1st place;) but when i played games like black ops the game was crashed and a blue screen of death appears...mad.gif i suspect my memory...how about you guy? if someone have same issue like this pls.smile.gif inform me..thumb.gif
i5-3570k
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GTS 250
Seasonic S12II Bronze 620watts
WD 1tb
Get an aftermarket cooler. Intel does not provide a good stock heatsink, also look for some good thermal paste when/if you buy a new cooler. TPU is an "okay" feature that ASUS provides; however, I would not recommend using it, as it can confront you with issues. Try to OC your CPU without the switch and doing it manually.

Edit:
Sin0822 has wrote a great guide on overclocking Ivy Bridge CPU's, manually. When you get the time, just check it out, as it is a good read and can be very beneficial to you. Ivy Bridge Overclocking Guide.
Edited by shzero0 - 6/29/12 at 12:47am
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post #9 of 15
Thread Starter 
Quote:
Originally Posted by bao28 View Post

Wow nice but i can't help to notice, your temps seem a bit high for the voltage ur on. Especially for the a70 cooler. But yeah, the 3570k really does run hot, at the moment i'm doing 1.304v and temperatures top at 82 with 70% fan spees. At 1.328v my temps go to 85-86.
On max fan settings the highest volt i can throw at my chip is 1.38 with temps below 85. I've tested i need 1.375v for 4.7 and about 1.425 for 4.8.
But as can be seen by my temperatures i dont think thats happening anytime soon lol. Honestly thinking of replacing the tim inside the chip, apparently helps -10-15 degrees

yeah mine it does run hotter than most. But there are a few things I still need to try:

  • I'm going to reseat heatsink and redo TIM when I have time..and see if that helps.
  • I have CPU PLL voltage at stock...will reduce to 1.5 - 1.7 and see if temps go down

If that doesn't work...it's just bad luck..intel really screwed some of us with the internal TIM they used. That being said..im actually happy with 4.4ghz...seeing as most usually settle for 4.5ghz...not a big difference.
Edited by malikq86 - 6/29/12 at 8:08am
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post #10 of 15
Good luck with getting the heat down. I have found no difference, and I lowered all non-Vcore voltages—even IMC and VCCIO. Those could actually get pretty low and still work, like at the lowest settings my motherboard allowed, although I had an odd set of intermittent memory errors and one point. Guess running my memory controller at .8V is pushing it wink.gif

I was able to get PLL down to 1.385 with everything working. I believe I'm running with it at 1.6 or 1.7 now, because, as I mentioned, I saw no difference. But I may not have been paying adequate attention. I suspect whether or not my AC is on matters more, though. It's also possible that the higher PLL helps maintain stability at higher temperatures...?
Edited by jamdox - 6/29/12 at 1:39pm
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