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Skylake Overclocking Guide [With Statistics] - Page 251

post #2501 of 11360
Quote:
Originally Posted by konspiracy View Post

What version of prime is everybody using? I haven't been able to pass 28.7 over 12 hours on 4.5 blend standard preset. Has anybody actually passed a blend 12 hour test? I'm trying to figure out if avx is just bugged with this chip or if anybody else can actually pass prime95 28.7 12 hours. Some people can't pass it stock, which if that is the case I need a better test than x264. I can pass x264 at 6 hours at 4.7 no problem but prime95 breaks it. OcCT seems like it hasn't been updated in awhile and linpack will hit 80c near stock with a 360 and 240 rad set up. Maybe I need to delid?

I can pass Prime as long as I want. 12 hours is doable. And you have to use version 28.7 or higher (there isnt a higher one yet). Lower versions had a bug that would sometimes fail on a perfectly running processor using the newer instructions. I believe by default the 28.7 version uses FMA3 instructions, you can disable those if you want to test the CPU with less stress and heat.
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post #2502 of 11360
Ok, first thing is, what am I doing wrong. I turned off the turbo in the bios, set the multiplier to 44 and left everything else on auto. After that, the computer ran slower in Cinebench? :thumbsdown: Please do not just say to turn auto everything off because that will be no help. I have been running AMD for 15 years and became very proficient with overclocking on it. However, Intel overclocking is very different. Do I need to disable the TDP limiter or something? Is that the equivalent to the AMD Advanced Power Management?
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post #2503 of 11360
My question is about the voltage from the VID of mine i7 6700k

It's going to the 1.429 V on the standard clocks and voltage settings. (auto in the bios, but same if I put the vcore @ 1.350)

Is this normal? Because many peoples say above 1.40 V is definitly too high!


I have reset the bios settings to default with the same VID Voltage as above

specs:

Motherboard: Maximus VIII Ranger
Processor: i7 6700K
RAM: 16gb ddr4 2666mhz
Edited by ewernars - 10/6/15 at 12:00pm
post #2504 of 11360
6600k
Passed small FT prime test 4.6ghz , 1.275v(1.252 in HWmonitor) Vcore CPU temps= around 3 cores around 60C

Can pass Light benches @ 4.9ghz 1.45v core 1.3v VCCIO 1.25v SA CPU temps= around 76C

Currently going staying at 4.6ghz, may move up to 4.8ghz try if I can get it stable under 1.4v
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post #2505 of 11360
Quote:
Originally Posted by ewernars View Post

My question is about the voltage from the VID of mine i7 6700k

It's going to the 1.429 V on the standard clocks and voltage settings. (auto in the bios, but same if I put the vcore @ 1.350)

Is this normal? Because many peoples say above 1.40 V is definitly too high!


I have reset the bios settings to default with the same VID Voltage as above

specs:

Motherboard: Maximus VIII Ranger
Processor: i7 6700K
RAM: 16gb ddr4 2666mhz

VID is not the voltage going through the proccesor. It's the voltage requested by the proccesor.
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post #2506 of 11360
Quote:
Originally Posted by Guzmanus View Post

VID is not the voltage going through the proccesor. It's the voltage requested by the proccesor.

I know but it seems dangerous and friends are saying thats it way to high. But I can ignore it?
post #2507 of 11360
Quote:
Originally Posted by ewernars View Post

I know but it seems dangerous and friends are saying thats it way to high. But I can ignore it?
What's your Vcore? thats the voltage that really matters.
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post #2508 of 11360
Quote:
Originally Posted by ewernars View Post

I know but it seems dangerous and friends are saying thats it way to high. But I can ignore it?

Unless your friends somehow know more than Intel as to what voltages are safe, it's perfectly fine.

The Skylake architecture uses more voltage than previous generations, likely due to the core voltage also feeding the cache, among whatever else.
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post #2509 of 11360
Quote:
Originally Posted by Guzmanus View Post

What's your Vcore? thats the voltage that really matters.

If I put the CPU Core Voltage on auto its going over the 1.4 V too but I place it manualy on 1.350 V and its running stable and fine now.
post #2510 of 11360
Quote:
Originally Posted by ewernars View Post

If I put the CPU Core Voltage on auto its going over the 1.4 V too but I place it manualy on 1.350 V and its running stable and fine now.
Stock intel specs contemplate the proccesor Vcore to rise to 1.4 when in turbo. So it means it is a safe voltage.

However, by setting it to manual and lowering it you can save both power and heat.
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