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Haswell Overclocking Guide [With Statistics] - Page 703

post #7021 of 19539
Quote:
Originally Posted by OutlawII View Post

We are gaining the ability to run higher vcore volts without getting throttled by temps,so for us with medicore chips its the ability to get higher clocks.Also a fully watercooled rig is really quiet biggrin.gif

I can fully appreciate the advantages of water cooled GPUs in terms of acoustics, although I run a h100i with GT AP-15's so I think I'm generating a very, very similar sound profile as far as CPU cooling goes. As I mentioned above, I can push to the degradation zone (1.4v) with my AIO unit without temp limitations thanks to delidding.

There's no doubt some reasons I'm overlooking here, so I'm just curious as to what rationales people can come up with. I'm not anti-CLC by any means, I just don't see it's relevance to haswell once you've delidded. CLC for GPU cooling is still the bees knees imo.
post #7022 of 19539
Quote:
Originally Posted by fleetfeather View Post

what are you gaining from those lower temps? all i can think of is long-term cpu longevity (for those who aren't upgrading to broadwell, i guess) and epeen.

Got it in one.

Don't get the epeen part though...
post #7023 of 19539
has anybody had a problem with z87 sabertooth when shutting it down.???

i OC'ed my 4770k. its currently around 44X. trying to stabilize it.
but whenever i shut it down psu keeps working and fans are also spinning.. its more like a reboot process. because after 10-15 seconds windows also starts.
i heard this is something about asus mobos especially sabertooth. not sure if its true.

im gonna clear my cmos and re oc tonight.
post #7024 of 19539
Quote:
Originally Posted by error-id10t View Post

I don't understand why we're still talking about this..

If you can run x45/x45 of course you'll take that over x45/x42 and you'll take that over x45/x39 etc.

And 46/39
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post #7025 of 19539
Quote:
Originally Posted by JackNaylorPE View Post

And 46/39

No. Application dependant.
post #7026 of 19539
Quote:
Originally Posted by JackNaylorPE View Post

And 46/39

Quote:
Originally Posted by Doug2507 View Post

No. Application dependant.

If you can name a program where 45/45 performs better than 46/39, it would be very insightful

I'm not aware of any where it's even close
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post #7027 of 19539
I can't. For everything i run 46x39 wins every time but there may be guys running other applications where 45x45 would be better, that's why i didn't discount it and said application dependant.

EDIT - I'm not really sure why all of this is being discussed either. The majority of users on this forum/thread will benefit from higher core vs 1:1 etc. The performance benefits from increasing uncore to within 300mhz or less may be quantifiable by statistic but if you sat down with one rig running 45x40 one day then 45x42 the next day not in a million years would you notice a difference unless a benchmark told you.
Edited by Doug2507 - 12/18/13 at 8:16am
post #7028 of 19539
Quote:
Originally Posted by fleetfeather View Post

call me crazy, but does anyone else feel that custom looping Haswell is kind of redundant once you delid? I feel like you're not going to get temp limited until you're well into the degradation zone anyway lol...

Exactly. I can probably push 1.45v through my chip, or maybe even more, but that'll be well into the degradation zone.

This is the first time I've ever been limited by voltage degradation and not heat redface.gif
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post #7029 of 19539
Quote:
I can't. For everything i run 46x39 wins every time but there may be guys running other applications where 45x45 would be better, that's why i didn't discount it and said application dependant.

Yea i meant to point that at him, everything i've benchmarked shows that going from 45/34 to 46/34 is a way way bigger gap than going from 45/34 to 45/45; if there's a program that benefits enough from uncore to give up core speeds for it, i'd like to know which it is because it's not x264, starcraft, cinebench, etc.

If there is, then maybe some niche uses where it's better to go 45/45 rather than 46/40, etc

If there's not, then nothing is changed and we all OC uncore anyway, but not to the point of sacrificing core speed
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post #7030 of 19539
Quote:
Originally Posted by Doug2507 View Post

No. Application dependant.

Exactly ! .... some applications yes, some applications no .... but also have to take into account the temperature / voltage penalty. The results would indicate, to me anyway that:

1. Under some programs at least, the > 3 drop off is real.
2. If that's the type of program you use, you may wanna evaluate how it effects you.

If you do image editing only occasionally, then (temperature voltage issues aside for the moment) ya prolly better off at 46/39 .... If it's all ya do, then 45/45 might be the better choice.... though 45/42 was virtually the same as 45/45.

Quote:
Originally Posted by Cyro999 View Post


If you can name a program where 45/45 performs better than 46/39, it would be very insightful

I'm not aware of any where it's even close


Data was in the post (7002)

RoG Real Bench Image Editing Test

Average of 3 tests @ 45 /45 = 119,452
Single* 46/39 test = 119,525

Id call that close (best of the three 45/45s was 119,966)

..... This is what not close tho

-Peak adaptive voltage spike and temperature at 45/45 = 1.32v setting in BIOS, 1.36/1.37 typical max under load and 1.42 peak instantaneous** with hottest core 73C
-Peak adaptive voltage spike and temperature at 46/39 ....1.38v, setting in BIOS, 1.42/1.44 typical max under load and 1.48 peak instantaneous** with hottest core at 81C

* Didn't rerun because of voltages / temps

** Peak in the Open CL test and remain pretty much constant throughout

Question: With Cache ratio in the Auto position I knoe ot defaults to 39 .... but does it always stay that way ? I didn't see any chages in XTU just leavcng it open while Rog Bench ran ..... but when I ran on auto under old BIOS temps maxed out at 75C on Auto ... which is why the 81C was a bit off a shock
Edited by JackNaylorPE - 12/18/13 at 9:17am
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