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Haswell Overclocking Guide [With Statistics] - Page 943

post #9421 of 19540
Quote:
Originally Posted by Derp View Post

I haven't done enough testing to notice any advantages other than this uncore thing which is a disadvantage in my opinion. I'm still testing but the default uncore voltage is stable so far at 4GHz.

Some fun with the killawatt at stock voltages:

4.2GHz core with 4GHz uncore running XTU cpu stress test = 110w

4.2GHz core with 4GHz uncore running prime 28.3 = 173w

BIG difference....

Post got deleted blagh


Hey you have a killawatt?

1; It would be cool to add you on skype etc

2; I'd really love some other numbers! In particular, x264* (pass 2) against Linx 0.6.5 with a lot of RAM, which should score about 180+gflops (i got ~208 at 4ghz i think with fast ram)

^In order to take such numbers, an OC such as 1.1vcore, 1.7 vrin, 1.1 ring would probably be best, extreme llc on vrin, and a clock like 40x/33x or 38x/33x (whatever's stable) - With and without HT would also be very interesting, but take a bit longer

much appreciated if you could do that!


* http://dc581.2shared.com/download/yNZzmwrI/x264_Stability_Test.7z?tsid=20140129-102227-7849b374
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post #9422 of 19540
Quote:
Originally Posted by BillOhio View Post

Derp, we have the same board and I just bought a 4770K which I'd like to run at 4.2-4.4. I'll be going through the past pages of this thread and checking out your posts. Right now I'm at 4.2 with 1.25 and haven't touched uncore but not stable enough to get very far in a stress test. What are considered the safe ranges for Vcore and uncore?

Read the OP of the thread, it should be in there. Reasonably, people are sticking to about 1.35vcore and there's little reason to go over ~1.25 ring, but some go higher
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post #9423 of 19540
Quote:
Originally Posted by Cyro999 View Post

VID is not Vcore

You want to see your Vcore. It can be difficult on Asus boards because the sensors are all wonky and weird (surprised that they messed it up so badly still)


Right, i was not believing in 0.00v vcore showing in hwinfo64, but then i disable c-states 6 and 7 in bios, and the vcore at idle coming showing at 0.750v and i see this c-states 6/7 can drop the voltage at idle to 0v.

I installed the Asus suite software to check and this software show some settings of bios, and there show the vcore too and it confirms vcore is at 0.750v at idle and raise when load some app. It was my mistake but now i can see it.

But for now one last doubt, it's about load applications max clock. Programs like cinebench at multi-thread bench use 100% of CPU and make the clock raise to 4ghz and run full bench in that frequency, another one is the aida64 stress test, but apps like winrar benchmark, render at sony vegas, x264 HD benchmark, bf4 or some any game, my clock will vary a lot, changing from 3.5 to 4ghz all time, so no good to a good benchmark result.

Is it the turbo mode implement which ****ed up that clock frequency stability? Only way to run at full speed when needed is disabling EIST at bios or setting high profile at Windows Power Settings and loosing the downclock, vdrop at idle. Become to nostalgic again the CPU's before turbo mode implement have no such problem, will stay max clock under any 20%+ load, and become 800mhz when idle.
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post #9424 of 19540
Thanks, I was afraid to go over 1.25 but the extra headroom ought to help with stability. I've opened Sin's thread several times but I confess that it's a bit overwhelming. I'm glad to have found a thread with an ongoing conversation and a place to ask questions.
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post #9425 of 19540
Quote:
Originally Posted by chumanga View Post

But for now one last doubt, it's about load applications max clock. Programs like cinebench at multi-thread bench use 100% of CPU and make the clock raise to 4ghz and run full bench in that frequency, another one is the aida64 stress test, but apps like winrar benchmark, render at sony vegas, x264 HD benchmark, bf4 or some any game, my clock will vary a lot, changing from 3.5 to 4ghz all time, so no good to a good benchmark result.

Sounds like some other issue (like power throttling). Mine sticks at the overclock speed in those tests.
post #9426 of 19540
Max turbo clock is 3.9ghz under one thread load, 3.7ghz under four, so it should bounce between them at stock unless you manually set CPU multi yourself
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post #9427 of 19540
wow, lot of ud3hs in this thread. Nice.
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post #9428 of 19540
For overclock i say, my Asus bios dont let me change cpu ratio if i disable turbo mode, i dont know how to deal with it. I disable turbo mode, cpu ratio automatically become auto, i change cpu ratio to 40, turbo mode automatically becomes enable.
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post #9429 of 19540
Quote:
Originally Posted by BillOhio View Post

wow, lot of ud3hs in this thread. Nice.

They're excellent motherboards. I'd be using one too...if I hadn't dropped a tool on the exposed socket and bent the pins biggrin.gif
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post #9430 of 19540
Quote:
Originally Posted by chumanga View Post

For overclock i say, my Asus bios dont let me change cpu ratio if i disable turbo mode, i dont know how to deal with it. I disable turbo mode, cpu ratio automatically become auto, i change cpu ratio to 40, turbo mode automatically becomes enable.

"turbo" has to be enabled for ratio to change. If you're not at stock, you should be able to set etc 42x and it'd stay 42x on all cores
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