safe and stable OC on 4690k?

Rapidz · Dec 13, 2014

I was thinking 4.2 on h80i. I mainly play games reliant on single core.

thoughts?

geofelt · Dec 13, 2014

I have become a bit jaded on the subject of haswell cooling for overclocking.
How high you can OC is firstly determined by your luck in the bin lottery.
I had high expectations from the Devil's canyon parts and their better thermals.
I found out that the thermals really do not matter unless, perhaps, you are a competitive overclocker.
Haswell runs quite cool, that is, until you raise the voltage past 1.25v or so.
Once you go past 1.3v, then you really do need very good cooling to keep stress loads under say 85c.
But, the consensus is that voltages higher than 1.30 are not a good thing for 24/7 usage.
I have been unable to find any official Intel recommendation on what is a safe vcore limit.
If you are an enthusiast, you can go higher.
Even if you can handle the heat, how much do you really need that extra multiplier from say 4.4 to 4.6?
My thought is that it is better to use the exotic cooling funds for a quieter and less expensive air cooler, but that is water under the dam.
Stress test with OCCT. It will monitor your temps and vcore. It will shut down at 85c to prevent any damage.
4.2 should be easy.

Rapidz · Dec 13, 2014

geofelt :

I have become a bit jaded on the subject of haswell cooling for overclocking.
How high you can OC is firstly determined by your luck in the bin lottery.
I had high expectations from the Devil's canyon parts and their better thermals.
I found out that the thermals really do not matter unless, perhaps, you are a competitive overclocker.
Haswell runs quite cool, that is, until you raise the voltage past 1.25v or so.
Once you go past 1.3v, then you really do need very good cooling to keep stress loads under say 85c.
But, the consensus is that voltages higher than 1.30 are not a good thing for 24/7 usage.
I have been unable to find any official Intel recommendation on what is a safe vcore limit.
If you are an enthusiast, you can go higher.
Even if you can handle the heat, how much do you really need that extra multiplier from say 4.4 to 4.6?
My thought is that it is better to use the exotic cooling funds for a quieter and less expensive air cooler, but that is water under the dam.
Stress test with OCCT. It will monitor your temps and vcore. It will shut down at 85c to prevent any damage.
4.2 should be easy.

Thanks for the informative post, I'll start from 4.2 and go from there, as it is most likely enough. However I will see if 4.5 will harbour any extra frames as it will help in rome 2.

CompuTronix · Dec 14, 2014

Rapidz,

You might find these Guides helpful:

3 Step Guide to Overclock Your i7 / i5 Haswell Platform - http://www.overclockers.com/3step-guide-to-overclock-intel-haswell

Pay close attention to the information concerning Adaptive Voltage.

Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

CT :sol:

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safe and stable OC on 4690k?

Rapidz

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Rapidz

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CompuTronix

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