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post #18481 of 22487
Quote:
Originally Posted by v1ral View Post

Would enabling power saving features cause instability after stress testing with it disabled?
Im testing my 4.8Ghz overclock that made it through 25 runs of x264 v2.06 then enabljng power savings then running realbench benchmark 10 times, and i get BSOD after the 4th complete pass. Does this indicate an unstable overclock?

I'm at a max of 4.8Ghz for my chip with temps maxing at 82℃ *im okay with 85+ but ONLY through stress tests*.

Yes it can, that's why I test with c-states and xmp on. I could care less about finding my chip's max stable numbers by itself, I'm most concerned about whole system's max stable numbers. It saves a bunch of tweaking later once you turn those things back on.
post #18482 of 22487
Quote:
Originally Posted by SpykeZ View Post

EK Predator 240mm and yes, I've checked the mount multiple times with the same results. Everything I've read points to Intel beaing cheapos and using some garbage thermal compound under the cap.

If you are using anything with AVX to test it you are gonna hit 100c even with custom water unless you delid. Even delidded with CLU on both sides I hit high 80's with avx enabled tests.

Yes the thermal paste is better but when its only marginally better than Haswell TIM ...its still crap.
post #18483 of 22487
Quote:
Originally Posted by kl6mk6 View Post

Yes it can, that's why I test with c-states and xmp on. I could care less about finding my chip's max stable numbers by itself, I'm most concerned about whole system's max stable numbers. It saves a bunch of tweaking later once you turn those things back on.
I see...
Maybe i should do this way instead.
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z97 RIG
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post #18484 of 22487
Quote:
Originally Posted by phenom01 View Post

If you are using anything with AVX to test it you are gonna hit 100c even with custom water unless you delid. Even delidded with CLU on both sides I hit high 80's with avx enabled tests.

Yes the thermal paste is better but when its only marginally better than Haswell TIM ...its still crap.

Was using Prime for 8 hours on blend.

Under normal gaming it rarely goes above 60 depending on CPU usage. I'd like to push harder but I'm not going to let it sit under those temps for extended periods of time as I get nervous it'll damage something. It seems like the core is just sitting under the cap struggling to cool off as it can't give the cap any heat to distribute it elsewhere.
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post #18485 of 22487
Quote:
Originally Posted by SpykeZ View Post

EK Predator 240mm and yes, I've checked the mount multiple times with the same results. Everything I've read points to Intel beaing cheapos and using some garbage thermal compound under the cap.
Quote:
Originally Posted by phenom01 View Post

If you are using anything with AVX to test it you are gonna hit 100c even with custom water unless you delid. Even delidded with CLU on both sides I hit high 80's with avx enabled tests.

Yes the thermal paste is better but when its only marginally better than Haswell TIM ...its still crap.

Run OCCT 4.4.1 linpack w/avx see what temps you get with that if you hit over 90's you're getting too hot.

I can run that test at ( Intel 4790k )1.318v, 4.8 ghz, and 4.4 cache and get into 85-90C peaks after it warms up and gets into the test. That's with water cooling.

Doing a 1 hour test right now 15 mins in peaks are at 83-86C. I raised my shutdown test to 93C in the settings.
I just use the avx, but not the all logical cores checkbox.

15 mins 83-86C
25 mins 84-86C
35 mins 84-87C
45 mins 84-87C ( Stabilizing I think )
55 mins 84-88C

end of test 84-88C

Edited by jdeed - 10/21/15 at 12:17am
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post #18486 of 22487
Quote:
Originally Posted by jdeed View Post


Run OCCT 4.4.1 linpack w/avx see what temps you get with that if you hit over 90's you're getting too hot.

I can run that test at ( Intel 4790k )1.318v, 4.8 ghz, and 4.4 cache and get into 85-90C peaks after it warms up and gets into the test. That's with water cooling.

Doing a 1 hour test right now 15 mins in peaks are at 83-86C. I raised my shutdown test to 93C in the settings.
I just use the avx, but not the all logical cores checkbox.

15 mins 83-86C
25 mins 84-86C
35 mins 84-87C
45 mins 84-87C ( Stabilizing I think )
55 mins 84-88C

end of test 84-88C

Yay for another OCCT:linpack fan! thumb.gif I run 90% ram, but thats probably trivial. Looks like you got a good chip there. I'm pretty much at the same clocks and voltages. 48x @ 1.300v and 42x cache. Those temps aren't bad at all. I'm about 10C cooler with 2x280 rads and using CLU.
post #18487 of 22487
I wanted to try it out as well tongue.gif

Same settings, my temps are: 66-68-65-63.
4790k, 5100MHz,1.35V. 4400MHz Cache.

thumb.gif

post #18488 of 22487
Quote:
Originally Posted by fat4l View Post

I wanted to try it out as well tongue.gif

Same settings, my temps are: 66-68-65-63.
4790k, 5100MHz,1.35V. 4400MHz Cache.

thumb.gif

How many hours stable is this??
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z97 RIG
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post #18489 of 22487
Quote:
Originally Posted by v1ral View Post

How many hours stable is this??
Well I don't use this test(linpack one) as I don't find it that stressful. It only produces heat...
What I believe is much better and more stressful is CPU:OCCT, large data set.

It can pass 1 hour no problem.


Or 4 hours or Asus RealBench, stress test.


or 10x H264 RB no problem.


or 8 hours XTU easy.


These tests have been done before I did "direct die" cooling to this cpu which improved the temps by about extra 3C.

5.4G validation.



thumb.gif
Edited by fat4l - 10/21/15 at 8:43am
post #18490 of 22487
Quote:
Originally Posted by fat4l View Post

Well I don't use this test(linpack one) as I don't find it that stressful. It only produces heat...
What I believe is much better and more stressful is CPU:OCCT, large data set.

It can pass 1 hour no problem.


Or 4 hours or Asus RealBench, stress test.


or 10x H264 RB no problem.


or 8 hours XTU easy.


These tests have been done before I did "direct die" cooling to this cpu which improved the temps by about extra 3C.

5.4G validation.



thumb.gif
Thanks for the info..
And you'd use this overclock for 24/7?
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EK EVGA Classified Full Motherboard Block EK GTX 470 Acetal/Copper Water Block EK GTX 470 Acetal/Copper Water Block Winows 7 PRO 64 bit 
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z97 RIG
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MouseMouse PadAudio
Razer Deathadder Chroma Generic On-board Audio 
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Core i7 920 D0@ 4.2 1.25625 vcore EVGA Classified 760 EVGA GTX 470 SC+ EVGA GTX 470 SC+ 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT 1866 3x2 gbs 1TB Samsung Spinpoint Lite-On DVD drive EK Supreme LTX Water Block 
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EK EVGA Classified Full Motherboard Block EK GTX 470 Acetal/Copper Water Block EK GTX 470 Acetal/Copper Water Block Winows 7 PRO 64 bit 
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