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Kaby Lake Overclocking Guide [With Statistics] - Page 187

post #1861 of 2851
Quote:
Originally Posted by dirtyred View Post

I'd settle with 5 GHz if it's stable and you're not preparing to win any OC competition.

Hahaha maybe he is rolleyes.gif
LOL
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post #1862 of 2851
Quote:
Originally Posted by dirtyred View Post

Maybe your chip can't handle 5.2. Does it worth the effort to squeeze out even the last MHz? I'd settle with 5 GHz if it's stable and you're not preparing to win any OC competition.

Quote:
Originally Posted by FedericoUY View Post

Hahaha maybe he is rolleyes.gif
LOL

Ohhhhh.... I'd like to do that but I doubt I will be able anytime soon...have a ring on my finger and that wraps it up pretty much. Even this new build as it is has stretched the limit a bit to much...

I think @dirtyred understands me very well when it comes to finance rolleyes.gif


Edit! That won't stop me to push every last drop of performance out of this Chip!!! I have 1 year shop warranty!!!! (don't ask how haha)
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post #1863 of 2851
Quote:
Originally Posted by becks View Post


Ohhhhh.... I'd like to do that but I doubt I will be able anytime soon...have a ring on my finger and that wraps it up pretty much. Even this new build as it is has stretched the limit a bit to much...

I think @dirtyred understands me very well when it comes to finance rolleyes.gif

Yes I do but I doubt you used a crappy laptop for the past 10 years as I did. biggrin.gif
    
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post #1864 of 2851
Quote:
Originally Posted by dirtyred View Post

Yes I do but I doubt you used a crappy laptop for the past 10 years as I did. biggrin.gif

Even worse....a crappy laptop + a dyeing 11 years old PC redface.gif
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post #1865 of 2851
Quote:
Originally Posted by becks View Post

Even worse....a crappy laptop + a dyeing 11 years old PC redface.gif

How about a crappy corporate laptop from 2015 sporting 1366x768 resolution?
post #1866 of 2851
Quote:
Originally Posted by dirtyred View Post

AVX is generating quite alot more heat so I would start with an offset of 2-4. If you're not using softwares daily with AVX instructions then there's no use of it anyways. For gaming you will see absolutely no benefit for it (yet).

Try manual fixed voltage. RealBench is doing fluxuating load to simulate real life usage and causes frequency and voltage fluxuation which could cause instability at certain frequencies where the voltage is not enough. Voltages are not linear to frequencies. If it's stable with manual, then go back to adaptive but add a really small offset, like 0.02-0.05 V and lower the turbo voltage by the same amount giving you the desired total Vcore. This last step resulted in stabilizing my 4.8 GHz with AVX offset. At 4.8 GHz it was stable but once AVX was detected it dropped to 4.5 GHz but didn't get enough voltage and crashed.

On my board and probably on others LLC level 5 gives the closes Vcore to the set value under load. Setting IA AC / DC load line to 0.01 should help with more stable voltages.

If unstable but you can't increase voltage more because of heat, try lowering RAM speed and voltage (try 1.2 V between 2133-2800 MHz with default timings or even a bit looser). That should decrease temperatures by 3-10 degrees. Instability can be caused by too much heat as well because of electromigration.

You can lower cache frequency to 47-46 and see if it's more stable. Cache speed doesn't result in much gain anyways. See guide in first post or you can benchmark it for yourself.

Personally I just keep cache at 42. It doesn't hurt. IF you're trying to dial in your CPU overclock, keep everything low for now.

With that said, if one drops AVX by 2 - 4 how does that affect Prime 95 benching? Does Prime 95 then look more in line with other benchmarks? I'm curious because if you drop AVX sufficiently, could it be possible that other benchmarks now generate more heat than Prime 95?
Quote:
Originally Posted by becks View Post

Agree on that, but as I said I think the v are actually lower due to Wattage used and lower temp, at same freq with same test on the same PC rolleyes.gif but yet again it might be just margin of error..

Still testing, the trouble is that I work so much ...I only have like 2-3 h / day to put my hands on it...that's like 2 RB runs and 3 bsod's and that's it
Will report later how its doing but still need any advice that might help me go 5.2...5.3 without going over the top with volts...maybe i'm missing something in bios...biggrin.gif

I think you should always measure load voltage versus frequency rather than measuring what you set as different motherboards behave differently in terms of LLC and what not. Ultimately the most accurate would be using a DMM or oscilloscope to measure the vcore each time your CPU is tested for stability. I personally don't do that so just measuring load vcore vs frequency vs temperature is good enough for me.
post #1867 of 2851
Quote:
Originally Posted by dmo580 View Post

How about a crappy corporate laptop from 2015 sporting 1366x768 resolution?

How about Asus Eee pc...the first generation biggrin.gif
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post #1868 of 2851
Quote:
Originally Posted by becks View Post

How about Asus Eee pc...the first generation biggrin.gif

Heh you definitely win. Anything 10 years old is certainly slow especially in the days prior to SSDs.
post #1869 of 2851
One of my first PC's was a 286.lol
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OCZ VERTEX 450 128GB SSD OCZ AGILITY 4 256GB S... LG BD RE-WRITER1 X SAMSUNG 20X KOOLANCE 380I BLOCK 2X XSPC 360 RADS 1X XSPC 12...  WINDOWS 10 X64 BUILD 11099 
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post #1870 of 2851
Quote:
Originally Posted by moorhen2 View Post

One of my first PC's was a 286.lol

Same here, coax networking through Dos 4, orange screen, 300-baud Modem and basic BBSing.
Ah those were the days...

Funny thing is I have only got into Overclocking in the last 18 or so months, guess it was the last frontier... wink.gif
Edited by schoolofmonkey - 4/13/17 at 3:37pm
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