i7-6700K Need Help With Perfect Overclock

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dididan2000

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Dec 30, 2015
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I need your help. I'm overclocking my CPU rn. It's an i7-6700K and it comes standard 4.0. I've been stress testing a 4.5 overclock with Prime95 and the hottest a core has gone was 78C. As the test has gone by, it looks like it sits at around 50-60C most of the time. I'm trying to find the perfect overclock. Do you think I should try 4.6 and test? What do you think I should?

Thank you in advance. :)
 
Solution
geofelt
First of all, test with OCCT.
It uses more normal instructions.
It will shut down the test if you reach 85c.
The chip itself will slow down or shut by itself if it should reach about 100c.
The thing to monitor is vcore.
You can watch cpu-z as you test.
You do not want to be above 1.4v.
How high you can overclock at 1.40v is largely determined by your luck in getting a good chip.

As of 5/2016
What percent can get an overclock at a somewhat sane 1.40v Vcore.

I7-6700K
4.9 2%
4.8 17%
4.7 59%
4.6 93%
4.5 100%

14nm skylake runs cool, no exotic cooling is required.
Unless your case has terrible cooling, you will run out of safe vcore before you reach thermal limits.
A modest tower type cooler like a $30 cryorig H7 with a 120mm fan will...
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grimfox

Distinguished
Jun 2, 2009
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50
19,840
If as the test goes on your temperature has decreased then I'd say you can continue to push it. 50-60C under prime95 is pretty good I would think. Most people continue to test until the system crashes while running P95 they don't stop just because the CPU is warm. Now if your temps were 80-90C then you could potentially damage the chip but it would throttle by that time. So while it might be stable at that such a high temp I wouldn't consider it a "good" overclock.
 
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geofelt

geofelt

Titan
Oct 9, 2006
54,291
4,143
174,240
First of all, test with OCCT.
It uses more normal instructions.
It will shut down the test if you reach 85c.
The chip itself will slow down or shut by itself if it should reach about 100c.
The thing to monitor is vcore.
You can watch cpu-z as you test.
You do not want to be above 1.4v.
How high you can overclock at 1.40v is largely determined by your luck in getting a good chip.

As of 5/2016
What percent can get an overclock at a somewhat sane 1.40v Vcore.

I7-6700K
4.9 2%
4.8 17%
4.7 59%
4.6 93%
4.5 100%

14nm skylake runs cool, no exotic cooling is required.
Unless your case has terrible cooling, you will run out of safe vcore before you reach thermal limits.
A modest tower type cooler like a $30 cryorig H7 with a 120mm fan will do the job.

You may get a higher overclock if you keep your ram voltage at stock 1.2v. That will likely be 2400 speed.

Lastly, when all is done, implement adaptive voltage and speedstep.
That will lower your multiplier and vcore when the cpu has little to do.
 
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Solution
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dididan2000

Reputable
Dec 30, 2015
67
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4,640
I was able to get it to 4.6, but I did try 4.7 though the temperatures were starting to edge almost to 80C and the vcore was greater then 1.4v vcore. 4.6 was perfect, so I'm keeping that.
 
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