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Haswell Overclocking Guide [With Statistics] - Page 519

post #5181 of 19539
Quote:
Originally Posted by Cyro999 View Post

Hm really? It's commonplace for people to run a decent core clock and 4ghz uncore on notably less than ~1.18 ring?

Yep, I believe that people do tend to overvolt the uncore as they think that it would take as much as the VCore, which isn't really true.

I can do 4.2Ghz at 1.200V and don't really have a good chip, just average is what I'd say.
post #5182 of 19539
My scaling seems to be pretty flat but AFAIK i couldn't use less than ~1.18 ring for super solid 46x core if i wanted to use 40 uncore, and i don't think that was overvolting. That other comment just seemed a little out of place to me but i'm not really sure
Edited by Cyro999 - 11/8/13 at 10:45am
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post #5183 of 19539
Quote:
Originally Posted by kinzx View Post

Doug2507, those lower temp number is super tempting. I also toy with the idea of delid but just not comfortable enough yet risking any damage to the chip and the wrath of the wife redface.gif . I am hoping a custom water cool set up alone might give me a little over 10c lower temp since under stress test I am hitting upper 80s and mid 90s. Rendering, encoding and editing I can hit up to mid 70s.

Your chances of damaging the chip while delidding are very low. The likelihood of damaging the chip offset against the cost of a new chip if you did kill it is going to be cheaper than getting a custom water cooling setup. Plus you know delidding will give you 15C+ drops, while the water cooling may not help much if the die/IHS interface is what is causing your problems.
post #5184 of 19539
Quote:
Originally Posted by Ali Man View Post


Also what I said, but what you previously referred to as 'overvolting'.

No, you said to set the voltage at 1.2v then reduce it.
post #5185 of 19539
Quote:
Originally Posted by Doug2507 View Post

No, you said to set the voltage at 1.2v then reduce it.

Yea, reduce the multi, while keeping the voltage the same doesn't mean 'overvolting'.
Not sure where you're getting at.
post #5186 of 19539
Yeah no worries, forget about it.
post #5187 of 19539
Ok, after settling with a cpu clock, what can be done voltage wise to read stable the system with the mems now on XMP?
post #5188 of 19539
Quote:
Originally Posted by Warl0rdPT View Post

Ok, after settling with a cpu clock, what can be done voltage wise to read stable the system with the mems now on XMP?

When you set the XMP profile, it takes care of everything, including the voltage. So you should be good once set.
post #5189 of 19539
CPU Multiplier - 45
CPU Cache Min/Max - 35/35
DRam Frequency - 2133mhz 10-11-10-32
Vcore Voltage - 1.25v
Vcore Input Voltage - 1.9v
Cache Voltage - 1.15v
DRam Voltage - 1.6v

http://valid.canardpc.com/z86j1i

Aida64 stable for 17 hours

Up next is to see if x264 will cause problems.

Stressing with Prime95 and IBT just doesn't agree with the heat output for my processor. I'm 100% uncomfortable with the temps those two stress test produce. I don't know if I want to continue using these two as as a benchmark or not until I get a watercooling setup going..
post #5190 of 19539
Almost another shouting match.. I guess playing with Haswell can have that effect after all this time! smile.gif

My 2cents is that chasing lowest possible volts is common-sense but what I found with x264 was that if you're close to the edge of stability (apparently no problems), your FPS may be lower than they can be. In my case I increased VCCIN (but I used to run this fairly low) and cache also slightly and just from that gained as much as I did when I jumped from x43 to x44 Multi. Something like Cinebench did not show this nor any program showed throttling.

But hey, I'm also fairly lucky with BF4 and it's stability. I personally believe it can be used as a good guide for OC stability (the game errors are different) and it's harder than BF3. I haven't played BF3 for a long time so I can't be sure what the difference is.

Figure I'll throw my 2 questions up again incase someone knows the answer; what is IACore, it's TDP and Volts can be measured. Also what does SVID do besides remove VCCIN option from BIOS and provides ability to measure TDP via XTU, HWInfo etc.
Edited by error-id10t - 11/8/13 at 3:13pm
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