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== Haswell-E Overclock Leaderboard & Owners Club == - Page 1386

post #13851 of 22233
 
 

 

Should be able to boot into win at 4.6Ghz cpu auto volts and 3.6Ghz ring auto volts (ram at whatever).

 

Then use app to drop multi to 45 and it will be good for stability. Thats what im doing now (keep finding new configs LOL).

 

Found this new config for Godlike board;

 

 

 

Set 46 multi in bios, auto volts.

 

Boots into desktop and runs apps but not benchmark stable.

 

Use Command Center to drop multi to 45, volt stays same.

 

Benchmark stable, and uptime stable. (X265, realbench, games etc).

 

 

IF i set 45 multi in bios,  the volts are too low at auto.

 

Boots into desktop, not benchmark stable.

 

dropping to 44 multi in command center not benchmark stable either

 

seems that 46 multi voltage is the stable volts for 4.4Ghz and up. Need better WC for 4.6 stability though.

 

Im only expermenting with auto settings, and there is reason for it.

 

 

 

 
post #13852 of 22233
Anyone know at what voltage the cpu start to degrade?
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post #13853 of 22233
A lot of HE users here avoid that phenomenon. So a few may have seen it happen.

thumb.gif
post #13854 of 22233
IF you hodld it cool enough. like 70C on cores, 1,3 is fine. over 1,3 it CAN start to degrade slowly. But if the Temps are ok... no problems at 1,3 +-0,05V if you can cool it
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post #13855 of 22233
Quote:
Originally Posted by Jpmboy View Post

Nicely Done!

Thanks buddy. It got invalidated unfortunately with the excuse that I forgot to add the CPUZ screenshot. I submitted it straight from the bench. doh.gif

Oh bloody well. Lets hope it will be another cold night tonight. tongue.gif
Edited by Koniakki - 10/27/15 at 3:53am
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post #13856 of 22233
Quote:
Originally Posted by kizwan View Post

Anyone know at what voltage the cpu start to degrade?

Going to depend on other factors than just voltage. Temperature and current draw (type of load) are very nearly as important. Individual samples will have different tolerances as well.

For most real-world use and modest stress testing, I'd probably say 1.3v is safe for most parts, with regard to vcore. For more demanding use, you may need to limit things further.

Of more concern, from my experience, is vcache, vccsa, and any additional reserved voltages that the OC Sockets manipulate. There is more disagreement and possibly more variance in what is safe here.
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post #13857 of 22233
I can only say, stay away from 1.4VCore level (absolute) if you wanna keep the chip's integrity 24/7 and at least 2 years. No matter what.

Or simply stop when frequency scaling to Voltage takes a hit.
post #13858 of 22233
Quote:
Originally Posted by mus1mus View Post

I can only say, stay away from 1.4VCore level (absolute) if you wanna keep the chip's integrity 24/7 and at least 2 years. No matter what.

Or simply stop when frequency scaling to Voltage takes a hit.
Very sage advise.
Once the mV/Hz line-curve starts to get real non-linear, the chip is out of it's comfort zone for durability and efficiency..
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post #13859 of 22233
Quote:
Originally Posted by Jpmboy View Post

Very sage advise.
Once the mV/Hz line-curve starts to get real non-linear, the chip is out of it's comfort zone for durability and efficiency..

Took it from you, sensei.

arigatou gozaimasu
post #13860 of 22233
So 4.0Ghz seems stable around 1.075v, 4.3Ghz seems stable at around 1.175v. and 4.4Ghz seems stable around 1.2v give or take.
For 4.5 I needed about 1.25v and I don't really want to run that high a volts through the CPU 24/7. Or even when benching to be honest. Highest I've seen the cores was about 75c (with the rest about 70c or below)

Out of those which would you pick? For 24/7 use and it should be safe for the life of the chip / my next upgrade?
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