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Skylake Overclocking Guide [With Statistics] - Page 814

post #8131 of 11359
Quote:
Originally Posted by tashcz View Post

I just love you. You found even more than I needed. Thanks a bunch!!!
Hey you're welcome - hope you have a great time reading up & choosing all your parts for the new build thumb.gifsmile.gif
post #8132 of 11359
Quote:
Originally Posted by JourneymanMike View Post

It's for sale... I'm thinking about purchasing it...
I thought that's what it might be. It's probably been burnt out from testing IDK

Or, it could be a golden chip? It's pretty cheap, but it's located in China!

100% not a golden chip, and there's a very good chance it might have issues either in stability or with certain features or instruction sets. That's a (stolen) pre-production sample, before Intel completed Skylake for retail production.
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post #8133 of 11359
Quote:
Originally Posted by JourneymanMike View Post

Has anyone seen anything like this? Or, what is this?

It's supposed to be a 6700K...


Processed By eBay with ImageMagick, z1.1.0. ||B2
It's called a $300 brick from China.
post #8134 of 11359
Quote:
Originally Posted by tashcz View Post

Hi guys,

Is there a need for a fan blowing to the VRM area on Z170 mobos when OC'd to 4.7-4.8GHz, like on AMD 8 core overclocks?

It wouldn't hurt but I don't think it's as necessary as it would be for an AMD CPU.
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post #8135 of 11359
Quote:
Originally Posted by tashcz View Post

Any chance you can monitor them using some CPU intensive task and then post an image? I'd just like to know do they go to 50's or stay under, do they matter as on AMD where VRM was mostly the limiting factor.
I ran P95 latest version 8K ffts, and surprisingly the VRM's eventually hit 50c. But that's what I would consider a pretty extreme load. Most tasks keep the VRM temp in the 30's on my board.
post #8136 of 11359
Sorry this is my first time delidding a chip. Was reading the previous post, and I am considering to delid my chip to push for higher clocks

Is it necessary to re-seal the chip with silicone or can I just clean it off and place the IHS back on the PCB during mount? I have watched some Youtube video guides and people also use thermal conductive silicon to re-seal

What exactly are the specs of the silicone required for the re-seal ?

I don't live in USA, so i will need to find something similar from the warehouse or around the home

My plans:

1) x-acto knife and cut from the corners first, at an upward angle. Some people have wrapped the blades with some tape to provide friction, and also prevent to scractch the PCB. Is this necessary ?
2) clean the old seal on IHS and PCB with some sort of alcohol. Isopropyl alcohol from the pharmacy is fine ??
3) Lastly, do i need to re-seal it again, after changing pastes ?
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post #8137 of 11359
Quote:
Originally Posted by Jpmboy View Post

I do.. running 1.488V 24/7 on a 6700K and 1.475 24/7 on a 6600K. Main thing is to keep the temps under 80C.

Keeping temps cool is one part of the equation, but running 24/7 at those voltages is significantly increasing the voltage degradation of the CPU. There's a good write up that Anandtech did a few years ago explaining the effects of increased voltage on a CPU http://www.anandtech.com/show/2468/6. You will eventually find your CPU is unable to maintain the same overclock at the same voltage, and you will eventually need to give it more voltage to sustain the same clock speeds, or lower the clock speeds at the same voltage. Something to consider, especially at those voltages. Voltage has a much stronger impact on the lifespan of a CPU than its temperature.
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post #8138 of 11359
Quote:
Originally Posted by chiggah View Post

Sorry this is my first time delidding a chip. Was reading the previous post, and I am considering to delid my chip to push for higher clocks

Is it necessary to re-seal the chip with silicone or can I just clean it off and place the IHS back on the PCB during mount? I have watched some Youtube video guides and people also use thermal conductive silicon to re-seal

What exactly are the specs of the silicone required for the re-seal ?

I don't live in USA, so i will need to find something similar from the warehouse or around the home

My plans:

1) x-acto knife and cut from the corners first, at an upward angle. Some people have wrapped the blades with some tape to provide friction, and also prevent to scractch the PCB. Is this necessary ?
2) clean the old seal on IHS and PCB with some sort of alcohol. Isopropyl alcohol from the pharmacy is fine ??
3) Lastly, do i need to re-seal it again, after changing pastes ?
I haven't delidded myself, so I can't speak to the difficulty of techniques, but I've seen a lot of positive responses from people that used a vice to delid. I don't know what the safest approach to using a blade is. As for cleaning the CPU, isopropyl alcohol is what I would use. You want the highest purity you can find, but generally, anything over 90% should be fine. I use 91% Walgreens brand as it was what was available locally. From most of the discussion I've seen, people often don't reseal the CPU. I don't think it hurts anything to do so, but it seems easier to not worry about it as long as you line everything up right when you put it in the motherboard.
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post #8139 of 11359
Username: Arctucas
CPU Model: i7-6700K
Base Clock: 101.25 MHz
Core Multiplier: 47x
Core Frequency: 4758MHz
Cache Frequency: 4657MHz
VCore in UEFI: 1.355V
VCore: 1.379V
FClock: 1012MHz
Cooling Solution: Delid, reseated, Custom Loop-420mm, D5, HK 3.0
Stability Test: IBT 2.54 Maximum, 30 passes, 3 hr., 46 min.
Batch Number: X551C521 Vietnam
RAM Speed: 3645MHz, 16-16-16-36 2T
RAM Voltage: 1.38
VCCSA: 1.255
VCCIO: 1.225
Motherboard: eVGA Classified K (142-SS-E178)
LLC Settings: AUTO


Just wanted to ask if we could include temperature Delta in the stats?

ibt%207-18-16.jpg
Edited by Arctucas - 7/18/16 at 5:53pm
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post #8140 of 11359
Quote:
Originally Posted by mandrix View Post

Source?

It's for sale... I'm thinking about purchasing it...
Quote:
Originally Posted by dlewbell View Post

That looks like an engineering sample, like what they often send to reviewers. I don't know how you can verify what model though other than installing & testing it.

I thought that's what it might be. It's probably been burnt out from testing IDK

Or, it could be a golden chip? It's pretty cheap, but it's located in China!
Quote:
Originally Posted by Yuhfhrh View Post

100% not a golden chip, and there's a very good chance it might have issues either in stability or with certain features or instruction sets. That's a (stolen) pre-production sample, before Intel completed Skylake for retail production.

Quote:
Originally Posted by JackCY View Post

It's called a $300 brick from China.

Here's the answer I got from the guy selling the processor:

QHQF is a "Engineering Sample" version processor. The base frequency is 2.6HGz, and turbo frequency is 3.4GHz. However, QHQF is a unlocked processor which means it is overcolockable (K-version CPU, no need to OC bclk). For performance, I tested 4.2GHz QHQF CPU has similar performance as normal i7-6700K. However, despite of the same model of CPU, they may have different overclock performance. Some may reach higher frequency, but some may be lower.
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