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== Haswell-E Overclock Leaderboard & Owners Club == - Page 1651

post #16501 of 22126
When i get my new CPU somewhere next week i`m wondering about voltages to stay 110% safe.

Keep below 70¤C-ish.
Max 1.250V core
Max 1.200V cache
Max 1.950 vccin
Max 1.050 SA

This should be safe?

Crossing my fingers that i won`t get another dud cpu. thumbsupsmiley.png
post #16502 of 22126
Quote:
Originally Posted by GRABibus View Post

Hi,
By the way, I decided also to set up a stable overclock, even with AVX2/FMA3 severe stress tests as Prime95 v28.7 Small FFT's and Aida64 FPU.
For this, I defined a criteria so that the hottest core temperature will be always < 80°C at 22°C ambient temperature during those 2 tests.
I decreased my Vcore until to get this criteria achieved : I had to decrease it from 1,25V to 1,1V.

I will now found my higher overclock possible with 1,1Vcore to be stable in following tests :
Prime95 v28.7 Small FFT's => 12 hours
Aida64 FPU => 12 hours

And of course, also real world application stress tests :
ASUS ROG RealBench 16GB => 8 hours
Aida64 CPU+FPU+Cache+Memory+GPU => 12 hours.

I have already done 1 hour Prime95 v28.7 Small FFT's with 4,4GHZ (44x100) and 1,1Vcore/Vccin=1,9V/Vring=1,1V => Was running without any issues during 1 hour (Max temp = 76°C on hottest core at 22°C ambient temperature).
That means I am optimistic to get a stable "rock solid FMA3/AVX2 overclock" maybe at 4,4GHz or 4,3GHz with 1,1Vcore/Vccin=1,9V/Vring=1,1V.

This will be an overclock beside my other stable "Gaming and not intense FMA3/AVX2 applications" one at 4,7GHz/Vcore=1,25V.

Ok, still optimising my 2 overclocks : the "Rock solid one for all applications including AVX/AVX2/FMA3" and the "Gaming and standard applications one".

4,7GHz (47x100) - Vcore=1,23V : => Daily use and Gaming overclock
Running Realbench stress test v2.42 16GB RAM during 8 hours => No errors
Running AIDA64 CPU+FPU+Cache+Memory+GPU during 12hours => No errors

This overclock I will use for current daily computer use, mainly for gaming.

4,3GHz (43x100) - Vcore = 1,07V !!!! => Rock solid overclock for all applications, including intensive AVX/AVX2/FMA3 applications
I had found the stability at Vcore=1,1V.
I decreased Vcore until finding the "Limit stability state".
I could run 12 hours Prime28.7 build 1 Small FFT's during 12 hours without any errors with this Vcore=1,07V !!! thumb.gif (Max core temp=77°C at 22°C ambient during test). (I use Prime95 v28.7 build1 Small FFT's tests 12hours as reference stress test for the said "Rock solid overclock for all applications, including intensive AVX/AVX2/FMA3 applications").

For my both overclocks, Vccin=1,9V and Vring=1,1V.

I will run Realbench stress test v2.42 16GB RAM during 8 hours and AIDA64 CPU+FPU+Cache+Memory+GPU during 12hours, but I am confident they will pass...

Final statements on next Thuesday evening smile.gif

4,3GH at Vcore = 1,07V probable "full rock solid overclock" and 4,7GH at Vcore=1,23V for "gaming and standard daily use", believe me, I am happy of my rig at the moment wink.gif
Edited by GRABibus - 1/24/16 at 9:18am
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My war machine
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post #16503 of 22126
Quote:
Originally Posted by GreedyMuffin View Post

Keep below 70¤C-ish.
Max 1.250V core
Max 1.200V cache
Max 1.950 vccin
Max 1.050 SA

This should be safe? dud cpu. thumbsupsmiley.png

Not a dud CPU, just losing the silicon lottery 's all. Other than that, that all looks good. These cores easily survive even up to 80C, but I guess if you really want to play it safe, keep them below 70C.
post #16504 of 22126
Quote:
Originally Posted by Desolutional View Post

Not a dud CPU, just losing the silicon lottery 's all. Other than that, that all looks good. These cores easily survive even up to 80C, but I guess if you really want to play it safe, keep them below 70C.

Thanks!

With dud i mean a CPU that degrades so hard that i needs 0.150V to be stable on the same settings..
post #16505 of 22126
Quote:
Originally Posted by GreedyMuffin View Post

Thanks!

With dud i mean a CPU that degrades so hard that i needs 0.150V to be stable on the same settings..

Yeah I guess yours was a special case, really weird that a HW-E would degrade so quickly after a long time. They usually degrade within the first few hours of using them, then that degradation stops. 4.3GHz with 1.25V is a subpar CPU, but not a sign of degradation, just if you wanted to baseline your current stability. Following your CPU's trend, it would appear that in a few weeks 4.4GHz would need 1.40V of Vcore, which won't happen lol. Rapid breakdown usually doesn't stop once its started. FWIW I need 1.28V to pass OCCT with 4.4GHz.
Edited by Desolutional - 1/24/16 at 6:46am
post #16506 of 22126
Quote:
Originally Posted by lilchronic View Post

It's weird how your core temps are below ambient. Anyway nice work thumb.gif

i also like taking advantage of the winter air biggrin.gif
had my cpu up to 4.84Ghz @ 1.41v
http://www.3dmark.com/3dm/10439013

and 4.725Ghz @ 1.35v
Damn bud, I'm only a couple hundred behind ya with this 6700K... gotta push it a bit once I get done playing with this 6320, and move 30" of snow !!!
Quote:
Originally Posted by Mr-Dark View Post

So i finish my OC today.. here is the result

Warning: Spoiler! (Click to show)


2666mhz CL14-14-14-34-1T 1.40v .. I can reduce the first CL to 13 but not difference..

the core's at 4.5ghz 1.28v Adaptive & 1.940v input & LLC 6 & Optmized phase & 140% ability & 4ghz cache @1.16v offset by + 210mv



Cinbench



Aida64 cache/memory benchmark

the temp still good 68c in the hottest core at 1000rpm fan's speed smile.gif

Well done Dark! And these settings hold up to your gaming - right?
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post #16507 of 22126
Quote:
Originally Posted by Jpmboy View Post

Damn bud, I'm only a couple hundred behind ya with this 6700K... gotta push it a bit once I get done playing with this 6320, and move 30" of snow !!!
Well done Dark! And these settings hold up to your gaming - right?

rock solid Sir applaud.gif
   
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post #16508 of 22126
Quote:
Originally Posted by lilchronic View Post

It's weird how your core temps are below ambient. Anyway nice work thumb.gif

i also like taking advantage of the winter air biggrin.gif
had my cpu up to 4.84Ghz @ 1.41v
http://www.3dmark.com/3dm/10439013

and 4.725Ghz @ 1.35v

Um ..... winter air huh ..... HUM ...... maybe I'll try some today. devil.gif

I ran mem test last night 3000 (8x4 sticks) at 15-15-15-35 1t all other settings auto and it passed to 1100+% so I guess it might be stable.

SS
post #16509 of 22126
Quote:
Originally Posted by Desolutional View Post

Yeah I guess yours was a special case, really weird that a HW-E would degrade so quickly after a long time. They usually degrade within the first few hours of using them, then that degradation stops. 4.3GHz with 1.25V is a subpar CPU, but not a sign of degradation, just if you wanted to baseline your current stability. Following your CPU's trend, it would appear that in a few weeks 4.4GHz would need 1.40V of Vcore, which won't happen lol. Rapid breakdown usually doesn't stop once its started. FWIW I need 1.28V to pass OCCT with 4.4GHz.

Yep. Will keep it on stock so i know it will keep living. Ordering a new one soon today and i`ll swap it out. I`m afraid of keeping this POS right now. smile.gif
post #16510 of 22126
Quote:
Originally Posted by Jpmboy View Post

Damn bud, I'm only a couple hundred behind ya with this 6700K... gotta push it a bit once I get done playing with this 6320, and move 30" of snow !!!
Well done Dark! And these settings hold up to your gaming - right?

So much for 18" tongue.gif

Quote:
Originally Posted by lilchronic View Post

It's weird how your core temps are below ambient. Anyway nice work thumb.gif

i also like taking advantage of the winter air biggrin.gif
had my cpu up to 4.84Ghz @ 1.41v
http://www.3dmark.com/3dm/10439013

and 4.725Ghz @ 1.35v Warning: Spoiler! (Click to show)

Nice one, do some 3DM06 runs as well, the CPU bench is a tad harsher, although it favours Windows 7 for definite. It's a shame Maxwell doesn't really respond that well to low ambient temps, really need to get them cold. Kepler used to see fairly sizable gains simply by being on water
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