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Haswell Overclocking Guide [With Statistics] - Page 770

post #7691 of 19539
Well I think for once I got a decent chip, haven't played with it much yet but I was able to get it stable first try 4.4 @ 1.22v. Will keep playing and eventually submit to be added to the chart.
post #7692 of 19539
I am currently able to boot at 4.2ghz and at 1.20 core voltage. Uncore is set to auto and at stock speed. I have run XTU for 10mins and my max temps got up to 80C. This seems very high to me. I was under the impression that the NH-U14s should be a good air cooler. At idle I am at 31C. Did I just not win the lottery or is something else wrong? From looking at the charts this is pretty high for a i7-4770k.

I have not BSOD or not been able to boot into windows. Temps are a bit high when stress testing.
Edited by utee05 - 1/3/14 at 7:54pm
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post #7693 of 19539
Thread Starter 
Quote:
Originally Posted by utee05 View Post

I am currently able to boot at 4.2ghz and at 1.20 core voltage. Uncore is set to auto and at stock speed. I have run XTU for 10mins and my max temps got up to 80C. This seems very high to me. I was under the impression that the NH-U14s should be a good air cooler. At idle I am at 31C. Did I just not win the lottery or is something else wrong? From looking at the charts this is pretty high for a i7-4770k.

I have not BSOD or not been able to boot into windows. Temps are a bit high when stress testing.

Err, as far as I know the D14 is the where it's at, not the U14s. I got 57C @ 1.25v with D14 after 10 minutes of XTU.
We've had some reports of temperature fluctuations however. It is possible this is caused by a thermal paste application gone wrong. The hypothesis regarding bad temps on identical hardware is that the internal paste/glue under the IHS is different for each CPU. That's hard to verify without having everybody open up their chip.

 

Visually, the D14 seems to be twice the thickness of U14s. Performance wise I see D14 beating out U14S but U14S is definately better than 212 Hyper Evo.


Edited by Darkwizzie - 1/3/14 at 8:13pm
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post #7694 of 19539
I agree that it could come down to the thermal paste under the IHS. At this point my temps are OK and I doubt I'd even come close to stressing this on a normal basis but will keep an eye on it. Now I will work on upping the cache clock to try and get as close to a 1:1.

Thanks.
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post #7695 of 19539
Quote:
Originally Posted by utee05 View Post

I agree that it could come down to the thermal paste under the IHS. At this point my temps are OK and I doubt I'd even come close to stressing this on a normal basis but will keep an eye on it. Now I will work on upping the cache clock to try and get as close to a 1:1.

Thanks.

You don't need to get to a 1:1 ratio between the CPU and the cache/uncore, the cache is fast enough at lower speeds to not cause a bottleneck when the core is at higher speeds. thumb.gif
post #7696 of 19539
Thread Starter 
Quote:
Originally Posted by utee05 View Post

I agree that it could come down to the thermal paste under the IHS. At this point my temps are OK and I doubt I'd even come close to stressing this on a normal basis but will keep an eye on it. Now I will work on upping the cache clock to try and get as close to a 1:1.

Thanks.

Well, XTU isn't the hottest stress by any means but it's still hotter than x264. So you still have some thermal headroom, but your chip might not scale too well with higher multipliers.

 

Quote:
Originally Posted by blaze2210 View Post


You don't need to get to a 1:1 ratio between the CPU and the cache/uncore, the cache is fast enough at lower speeds to not cause a bottleneck when the core is at higher speeds. thumb.gif

I think he's saying, he doesn't want to up the Vcore any longer and not raise the core multiplier, so all that's left is to fine tune the uncore.

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post #7697 of 19539
Quote:
Originally Posted by Darkwizzie View Post

Err, as far as I know the D14 is the where it's at, not the U14s. I got 57C @ 1.25v with D14 after 10 minutes of XTU.

We've had some reports of temperature fluctuations however. It is possible this is caused by a thermal paste application gone wrong. The hypothesis regarding bad temps on identical hardware is that the internal paste/glue under the IHS is different for each CPU. That's hard to verify without having everybody open up their chip.

Visually, the D14 seems to be twice the thickness of U14s. Performance wise I see D14 beating out U14S but U14S is definately better than 212 Hyper Evo.

XTU has two different tests, one significantly hotter than the other. You're also stating temps for i5 which are waay cooler (in the leagues of like 15c on max)
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post #7698 of 19539
Well I am able to boot at 1.2V with x44. Now to test and see how things go. I left cache at stock. Still tinkering and just starting to get OC on my build. It is only a couple of weeks old and has not been stressed very much at all till a day ago.

Temps at the moment are at 80C with XTU.
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post #7699 of 19539
"stock" cache will turbo/oc itself to ~39-40x; manually setting 33x and ~1.1 ring is safer, though it most likely doesn't matter much
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post #7700 of 19539
currently laughing at myself for running through that 3day battery of stability tests. rolleyes.gif

after 30 pass 264, 6hr OCCT, 4hr XTU, 2hr Aida64 Cache, 2hr Aida64 FPU, and after increasing all voltages an extra 0.02v over the top of those voltages which passed my aforementioned battery, my system is not stable in L4D2 and FS (yet manages to hold BF4 SP).

haswell please.
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