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Skylake Overclocking Guide [With Statistics] - Page 568

post #5671 of 11312
About to overclock my 6600k! Im new to Intel overclocking so I have few questions.

Do I need to raise uncore ratio as I raise CPU Clock ratio? And what about turbo and speedstep? Should I disable or keep them default?

But the uncore ratio thing is unknown for me..
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post #5672 of 11312
Just got my 6600K build running earlier today~!

Initial overclocking seems promising. I'm currently testing 4.5ghz@1.308v

1hr occt S seems like a good test.
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post #5673 of 11312
Quote:
Originally Posted by WIGILOCO View Post

Do I need to raise uncore ratio as I raise CPU Clock ratio?..
Uncore = cache, you can leave it at default or begin with a mild OC. Core clock is far more important performance wise.
Quote:
Originally Posted by WIGILOCO View Post

And what about turbo and speedstep? Should I disable or keep them default?..
Turbo is needed for OC. I'm not entirely sure about speedstep but I keep mine enabled.
    
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post #5674 of 11312
Quote:
Originally Posted by WIGILOCO View Post

And what about turbo and speedstep? Should I disable or keep them default?
You can disable speedstep for overclocking if you want to, but then your processor won't throttle down it's clock speed at idle. I personally always disable it in case it affects my ability to clock high. I also don't like that it slightly slows down opening up programs, due to the clock speed having to increase again.
post #5675 of 11312
I disable it because with it enabled I was getting a TON of interference noise.

I'm still getting interference noise and I can't figure out why. it's a gigabyte GA-Z170XP-SLI board. supposedly the audio circuits are isolated but I can't figure out what's causing the interference. My old setup never had static like this.
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post #5676 of 11312
You can keep speedstep enabled in the bios and use the windows 'high performance' power profile to keep the high clock when you need/want it.

I find this very useful because when you aren't using the cpu for anything intensive you just switch to the 'balanced' profile so that it uses lower clocks for lesser tasks.

FYI..... In some cases i have actually had better benchmark results with the balanced profile just using what it needs than i have with the high performance profile's constant full power.

thumb.gif
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post #5677 of 11312
Got 3hours bf3 stable 4,5Ghz with 1.35V on bios (1.33-1.34V on cpu-z). Speedstep works great also when idling! Will let prime run overnight I guess. thumb.gif Put cache to 4Ghz.
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post #5678 of 11312
Hey guys, first post, but this behavior was weird enough I thought it might merit one.

I'm running a 6700k on an Asus Maximus VIII Hero (UEFI 1402) at 100x45, with my vcore at 1.36, LLC 4. I'm using a Noctua NH-D14 for a cooler.

If I set manual voltage mode at 1.36v and run Prime95 (small FFT), my VID hangs around 1.36 and my temperatures are where I'd expect them to be.

If I set adaptive voltage at 1.35v+0.01 and run Prime95 (small FFT), my VID hangs around 1.4 and my temperatures are about 8 degrees higher than when I run in manual voltage mode.

I've repeated this process a number of times thinking I must have missed something, but it seems to be feeding my CPU way more voltage than it's supposed to with the given settings.

Has anyone else noticed this behavior? I'd really like to use adaptive mode, but the temperatures are just not acceptable at load.

Also, I think I must have lost the silicon lottery. I can't seem to hit 4.6 stable even going as high as 1.42v, but I'm at 3.5 stable at 1.35v-1.36v. Depressing.
Edited by ChilledNineball - 2/13/16 at 3:37pm
post #5679 of 11312
Quote:
Originally Posted by superkyle1721 View Post

As said above each method is subjective. Although there is a lot of testing done. (I'll see if I can find the site) Either way basically what it tests are the spread method, Multi dot method, pea method, double line method, x method, and a couple others I can't remember. Each method was pasted 5 times to take an average to help eliminate a bad paste job. The difference in temps never reached more than 5 degrees no matter the method. The worst method was the multi dot method and the best was the cross or X method. The pea method was around .1-.4 degrees warmer but is easier to do so it was still the recommended method.

What is much more important than the method used to paste is the mounting of the heat sink itself. When mounting ensure that once contact is made between the sink and the IHS that the sink never rises up again. If it does this will introduce air pockets in the paste. Air does act as an insulator and will raise temps a good bit (usually seen only on 1-2 cores).

If you are really interested in experimenting with all this I would suggest buying the cheapest crappiest non abrasive paste you can fine and spend the day wasting it all. Find out what works best for you on the cheap paste then use a high end paste for the final seating.


Always destroying exergy!!

There was a video once that showed all those methods done onto a piece of glass with a camera underneath. I seem to forget which one worked best of course this will only give you a visual look, temps are a different story. If I can find it I will post it.. found it

http://nortonsafe.search.ask.com/search?geo=en_US&prt=&o=APN11910&chn=&ver=&q=CPU+Tim+spreading+on+plexi+glass&tpr=10&ctype=videos
post #5680 of 11312
Quote:
Originally Posted by WIGILOCO View Post

Will let prime run overnight I guess. thumb.gif Put cache to 4Ghz.

Why..? Do you search for Prime numbers, you've already done a fairly good stress test with BF3/BF4 and as long as you've thrown in the latest x264 from here and/or RealBench then you're good to go. Don't drop cache now, you don't want to raise it higher than it naturally wants to run as then you'll just compensate via vcore. eg, anything over x45 for me wants more vcore, I'm happy to leave it there instead of raising vcore.
Quote:
Originally Posted by ChilledNineball View Post


If I set adaptive voltage at 1.35v+0.01 and run Prime95 (small FFT), my VID hangs around 1.4 and my temperatures are about 8 degrees higher than when I run in manual voltage mode.

You don't mention you setting LLC here, did you? LLC5 should raise it ~0.02v while if you used LLC4 it should be similar to what you set, eg; 1.35v (hwinfo vcore reading, not VID).
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