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Haswell Overclocking Guide [With Statistics] - Page 638

post #6371 of 19652
Can it be that the uncore voltage steps are closer than The core voltage steps?
Uncore stable:
38x @ 1,15v
40x @ 1,17v
42x @ 1,195v
post #6372 of 19652
Yea, but it's harder to find instability on uncore. At least, sometimes you can clock core like +100mhz every 0.02-0.03v, sometimes it takes way more, you'll hit a point like core where you need more
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post #6373 of 19652
To find uncore instability use prime 28.1 ... Its godlike for finding uncore instability ...in the first 1-3 hours you can See if uncore is stable ...but the Bad thing is that You need at least 0.02v more vcore than all other stresstests
post #6374 of 19652
Quote:
Originally Posted by Cyro999 View Post

x264 is actually surprisingly demanding on haswell, even an hour of encoding tells you a lot and if you can pass it, you're almost certainly stable or very very close. It'll be fine OC, though i'd as always try to tighten volts and then clock further

Thanks, I phrased my post wrong tho. I'm pretty confident I'm stable at 4.6, it's temps I'm worried about. If I'm hitting temp x at 100% usage doing x264 encoding, can I be confident that's the real world max temp? What would take cpu temp higher? How could it go higher when usage is 100%?
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post #6375 of 19652
Quote:
Originally Posted by taem View Post

Thanks, I phrased my post wrong tho. I'm pretty confident I'm stable at 4.6, it's temps I'm worried about. If I'm hitting temp x at 100% usage doing x264 encoding, can I be confident that's the real world max temp? What would take cpu temp higher? How could it go higher when usage is 100%?

nothing is going to bring cpu temps higher than x264 encoding in RW situations. That being said, you have to bare in mind that, unlike p95, those temps that you see in x264 ARE temps that you'll see in some tasks that you do on a day-to-day basis. A good example is Battlefield 4.

edit: honestly, if you're not hitting 60C in x264, you truly have absolutely nothing to fear with respect to temps in your day-to-day activities. smile.gif
Edited by fleetfeather - 12/2/13 at 1:22pm
post #6376 of 19652
Quote:
Originally Posted by fleetfeather View Post

nothing is going to bring cpu temps higher than x264 encoding in RW situations. That being said, you have to bare in mind that, unlike p95, those temps that you see in x264 ARE temps that you'll see in some tasks that you do on a day-to-day basis. A good example is Battlefield 4.

edit: honestly, if you're not hitting 60C in x264, you truly have absolutely nothing to fear with respect to temps in your day-to-day activities. smile.gif

Dam that's awesome. Thing is fast as hell at 4.6, and 60c is a temp I'm guessing is pretty good and safe. I think I got a good chip, I think this could go higher than 4.6, I just didn't want to go higher than 1.253v when I saw the prime95 temp hit 86c. But I'm happy at 4.6. Shame of it is I'm a novice at overclocking and don't need much anyway, this chip would find a better home with someone else here lol. Maybe I'll push it a little more just to see how high I can get. I'd always heard 5.0 is impossible on air so if I can get to 4.8 that would be impressive maybe.
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post #6377 of 19652
Quote:
Originally Posted by taem View Post

Thanks, I phrased my post wrong tho. I'm pretty confident I'm stable at 4.6, it's temps I'm worried about. If I'm hitting temp x at 100% usage doing x264 encoding, can I be confident that's the real world max temp? What would take cpu temp higher? How could it go higher when usage is 100%?

I think low 70's avg, high 70's to 80 max is a low and reasonable temp for x264, and i reach this with my cooling solution at ~1.25v with ht on, ~1.35 with it off
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post #6378 of 19652
Have you guys seen this thread before?
http://www.simforums.com/forums/haswell-48ghz-on-air-building-a-haswell-system_topic46180.html

Interesting read nonetheless.
post #6379 of 19652
Quote:
Originally Posted by BGKris View Post

Have you guys seen this thread before?
http://www.simforums.com/forums/haswell-48ghz-on-air-building-a-haswell-system_topic46180.html

Interesting read nonetheless.

He says a lot of weird things, and refers to vcore as "cpu voltage"
Quote:
4800 and 4500 on air and be 100% FPU load test stable requires the cap of the processor be removed, the thermal TIM cleaned from the IHS and replaced with ONE PRODUCT and one product ONLY: Coollaboratory Liquid Pro, not the Ultra! and not anything else!

wat
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post #6380 of 19652
Delid would have been easier.
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