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Skylake Overclocking Guide [With Statistics] - Page 552

post #5511 of 11290
Hello everyone

My #1 core temps are always 8-14C higher than other cores, is this normal? I did a re-paste just a few days ago.

On realbench other core temps are max 62C when core #1 is quite stable at 70-73.

I tried other stress tests too and same result, core #1 is always hotter than others.
post #5512 of 11290
Quote:
Originally Posted by qwertyytrewq View Post

Hello everyone

My #1 core temps are always 8-14C higher than other cores, is this normal? I did a re-paste just a few days ago.

On realbench other core temps are max 62C when core #1 is quite stable at 70-73.

I tried other stress tests too and same result, core #1 is always hotter than others.

How long ago did you apply the paste? Sometimes it takes a while to settle.
post #5513 of 11290
Quote:
Originally Posted by Deders View Post

How long ago did you apply the paste? Sometimes it takes a while to settle.

2-3 days ago
post #5514 of 11290
Quote:
Originally Posted by qwertyytrewq View Post

Hello everyone

My #1 core temps are always 8-14C higher than other cores, is this normal? I did a re-paste just a few days ago.

On realbench other core temps are max 62C when core #1 is quite stable at 70-73.

I tried other stress tests too and same result, core #1 is always hotter than others.

You will always get one core hotter than the others, that margin is more of the higher end of the scale. I would not worry though.

Only issue is with skylake that if you are not delidded then you may have done an absolute perfect job pasting and seating your cooler but if under the IHS had an iffy job then nothing you do will matter, you would have to delid.

Here is mine. Not delidded but I use Indigo XS metal pads, which I achieved an excellent coverage as it melts across the cpu biggrin.gif

This is prime 28.7 small FFT run.

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post #5515 of 11290
Quote:
Originally Posted by Bogga View Post

Hey there fellow overclockers. Decided to send my old 2700k to a new home and go for the 6700k... after installing everything I immediately jumped into uefi to look at what fun things I could do!

It's been ages since I oc'd my 2700k so I felt a bit rusty. I first started with a manual locked voltage to see approximately how far I could go. I somehow ended up doing 4.7 ghz (100x47) on a vcore of 1.295 (this is where I truly felt that something wasn't correct). I then googled for guides, watched youtube-clips to see what to do and how to do a "correct" overclock.

All clips I've found haven't really been as in depth as I've wanted when it comes to all settings. Which ones to change, which ones to disable and which ones to leave as they are.

So what I did with the information I found was try adaptive mode. But I coulnd't even boot into windows at 4.6 (46x100) with adaptive mode until I cranked it up to 1.39V. But just one second into any stress test it just crashed/bs/failed. I then recalled reading about someone else with the same mobo as me that couldn't change his vcore. I then updated bios from 1102 to 1105.

Now I gave it another go and it worked out quite alright. I've been doing 4.6 (46x100) with adaptive mode and vcore at 1.31. IBT (very high) 10 runs, x264 5 runs and now prime 95 (27.9) for 1 hour and still no errors.

The one thing I'm curious about is the fact that I set vcore to 1.31 and have left LLC at auto. AI Suite says that vcore is at 1.36. Is it LLC that sets vcore to 0.05 higher? Should I just leave it there and live happily ever after or should I try to set it myself? What level LLC would you guess/say that a 0.05 raise would be?

The temperatures aren't impressive and I expected my phanteks to perform a bit better since I've got an open case with nice airflow and 3 fans mounted on it. I doubt I can reach a stable 4.7 if temps are as below at 4.6?

Specs:

6700k
ASUS Z170 Pro Gaming
Corsair 3000Mhz 4x4GB LPX (running in stock 2133 1.208V during my testing)
Phanteks PH-TC14PE with 3 fans

Highest temps:

IBT: Between 80-85
x264: Around 70
Prime 95: Between 80-85

Yeah that is LLC doing that. I would use LLC 4 or 5 depending on the amount of vdroop (voltage lowering from what you set, or vrise voltage spiking), I would not like myself having my voltage going that much over what I set it at in BIOS.

With my hero using adaptive voltage I am stable at 4.6ghz at 1.315v. Now using LLC lvl 5, I will be around 1.31-1.33v.

Using LLC4 I will get a little droop. So I have to increase my voltage to compensate, If I set to 1.33 in BIOS then it may drop a little to 1.31 at load, but had I left it at 1.31 in Bios it would have dropped under 1.3 and I would have been unstable. (Just a very basic explanation).

So you can choose the LLC that suits you best. I would not stay on auto though.
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Skylake!
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Hard DriveHard DriveHard DriveCooling
SM951 256gb Nvme 2 x Samsung 840 Pro 256gb Raid 0 Western Digital Black 1.5tb HDD Storage Corsair H110 GTX 
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post #5516 of 11290
Quote:
Originally Posted by llantant View Post

Yeah that is LLC doing that. I would use LLC 4 or 5 depending on the amount of vdroop (voltage lowering from what you set, or vrise voltage spiking), I would not like myself having my voltage going that much over what I set it at in BIOS.

With my hero using adaptive voltage I am stable at 4.6ghz at 1.315v. Now using LLC lvl 5, I will be around 1.31-1.33v.

Using LLC4 I will get a little droop. So I have to increase my voltage to compensate, If I set to 1.33 in BIOS then it may drop a little to 1.31 at load, but had I left it at 1.31 in Bios it would have dropped under 1.3 and I would have been unstable. (Just a very basic explanation).

So you can choose the LLC that suits you best. I would not stay on auto though.

Ohh ok. So if I suppose I can be stable at let's say 1.34 I'd set vcore to 1.32 and LLC to level 5 and try it out? Or should I raise it just a tiny bit to 1.33 and LLC to level 4?
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post #5517 of 11290
You can set LLC to what you are comfortable with.

You just dont want it to spike too high thats all.

You should be fine with LLC 5. I cannot say too much because I do not have your mobo.

Heres another example. It isnt exactly like this and I am exaggerating the values.



4.6ghz at 1.35v. It takes 1.35v to be stable. With LLC5. I can input 1.35v into BIOS, then when under stress the LLC will increase voltage to keep you stable but it may make you spike to 1.37v. (causing additional heat), but it always stays 1.35v minum so you will stay stable.

Now, if you set LLC4 and 1.35v in BIOS and you stress then you may get a slight droop and it drops to 1.34v and because you have gone under 1.35v you BSOD. So you up voltage in BIOS to 1.36v and under stress it drops to 1.35v but this is fine because you are still stable! so now even though you have increased voltage in BIOS and are technically at a higher voltage you are at a lower voltage at load and it will help with temps.

I am not the best at explaining things biggrin.gif


You would be fine starting with LLC5 and as you learn work out what is best for you.

Some also use LLC 6 and some also do not even use LLC.
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Hard DriveHard DriveHard DriveCooling
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Skylake!
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Old School!
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Hard DriveHard DriveHard DriveCooling
SM951 256gb Nvme 2 x Samsung 840 Pro 256gb Raid 0 Western Digital Black 1.5tb HDD Storage Corsair H110 GTX 
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Windows 10 Yamakasi Catleap Q251 1440p ips Corsair K70 EVGA Supernova 850 G2 
CaseMouseMouse Pad
Corsair Carbide 600Q Roccat Kone Pure Roccat Taito 
CPUMotherboardGraphicsRAM
Ph.II BE 1090T 3.75ghz BE (1.4v) 3000NB (1.325v) Asus M4A88TD-M Evo/USB3 GTX 470 G Skill Eco 1333mhz 5-6-5-18-23 1T 
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post #5518 of 11290
Quote:
Originally Posted by llantant View Post

You can set LLC to what you are comfortable with.

You just dont want it to spike too high thats all.

You should be fine with LLC 5. I cannot say too much because I do not have your mobo.

Heres another example. It isnt exactly like this and I am exaggerating the values.



4.6ghz at 1.35v. It takes 1.35v to be stable. With LLC5. I can input 1.35v into BIOS, then when under stress the LLC will increase voltage to keep you stable but it may make you spike to 1.37v. (causing additional heat), but it always stays 1.35v minum so you will stay stable.

Now, if you set LLC4 and 1.35v in BIOS and you stress then you may get a slight droop and it drops to 1.34v and because you have gone under 1.35v you BSOD. So you up voltage in BIOS to 1.36v and under stress it drops to 1.35v but this is fine because you are still stable! so now even though you have increased voltage in BIOS and are technically at a higher voltage you are at a lower voltage at load and it will help with temps.

I am not the best at explaining things biggrin.gif


You would be fine starting with LLC5 and as you learn work out what is best for you.

Some also use LLC 6 and some also do not even use LLC.

I totally understand, thanks for clarifying things smile.gif
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Gaming
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My HTPC
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RAMHard DriveHard DriveCooling
Corsair Vengeance LED Intel 520 SSD Crucial BX100 EKWB 1080 Strix Nickel + Black backplate 
CoolingCoolingCoolingCooling
EKWB 1080 Strix Nickel + Black backplate EKWB Supremacy Evo Nickel EKWB XE 480 Radiator EKWB XE 360 Radiator 
CoolingCoolingCoolingCooling
EKWB XRES 140 Revo D5 + Multitop EKWB XRES 140 Revo D5 + Multitop be quiet! Silent Wings 3 2200rpm x12 Barrow Fittings 
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post #5519 of 11290

Hey guys,

I havent overclocked since I bought my 2500k @ 4,8Ghz (~5Years ago), so im looking for some advice.

I bought this Setup, wich is running in a Define r4 with good airflow:
  • i5-6600K @ Scythe Mugen Max - Push/Pull
  • ASRock z170 Fatal1ty Professional i7
  • 16GB 2133 HyperX DDR4

When I first booted my System the bios gave 1.120VCore to my CPU, wich was running fine for days(Just playing, working).
Now im trying around where I am with my chip and currently im at 4,5Ghz @ 1.248V (Bios says 1.210V, im sure I can finetune a bit more) and Cache Freq @ 3,9Ghz.

Right now im running Prime95(V28.7) for about 40 Minutes and I cant see any problems right now but I would like if I forgot something I should worry about.
My Steps: Set XMP Profile -> Adjust CPU Ratio -> Adjust Cache Ratio -> Adjust VCore -> Disable Turbo.

I also add a Screenshot of CPU-Z / HWMonitor, thanks for a all your help! smile.gif
post #5520 of 11290
Quote:
Originally Posted by n3o611 View Post


Hey guys,

I havent overclocked since I bought my 2500k @ 4,8Ghz (~5Years ago), so im looking for some advice.

I bought this Setup, wich is running in a Define r4 with good airflow:
  • i5-6600K @ Scythe Mugen Max - Push/Pull
  • ASRock z170 Fatal1ty Professional i7
  • 16GB 2133 HyperX DDR4

When I first booted my System the bios gave 1.120VCore to my CPU, wich was running fine for days(Just playing, working).
Now im trying around where I am with my chip and currently im at 4,5Ghz @ 1.248V (Bios says 1.210V, im sure I can finetune a bit more) and Cache Freq @ 3,9Ghz.

Right now im running Prime95(V28.7) for about 40 Minutes and I cant see any problems right now but I would like if I forgot something I should worry about.
My Steps: Set XMP Profile -> Adjust CPU Ratio -> Adjust Cache Ratio -> Adjust VCore -> Disable Turbo.

I also add a Screenshot of CPU-Z / HWMonitor, thanks for a all your help! smile.gif

max temp 61c - you have a lot of room for higher thumb.gifthumb.gif
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