I need help to overclock an i5 4690k step by step.

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MrFagiolo

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Jan 16, 2014
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As I state in the title, I need help step by step with i5 4690k to overclock. I have an ASRock fatality killer Z97 (8 power phases), and a Thermaltake NiC C4 Air Cooler. I would push my cpu to 4,5/4,6GHz, I think it's possible, but I dunno where I have to start.
I already installed Prime95 and Intel Burn Test. May someone help me?
I have also 2x4GB DDR3 1600MHz in XMP profile if it may help.
 
Solution
Aladdad
Well you can simply start by setting the core voltage at 1.200v and setting your multiplier at 4.4 and see if its stable, If not then increase the voltage up a bit (my 4690k is stable 4.4 @ 1.230v/ 4.2 @ 1.130v) but again Every cpu is different than others so this is just for reference to give you an idea. Wouldn't recommend using Intel Burn test it adds up a lot of heat and runs an AVX test on your CPU which peaks up to 110% usage use Prime 95 v26.6 Small FFT instead http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html
as for your ram i would say just leave it as it is. as it really does not increase any performance in terms of gaming and barely any that its not even worth it for other applications.

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geofelt

geofelt

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Oct 9, 2006
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Prime95 and IBT are not good stress testers.
They use special instructions to generate heat.
I like OCCT, it uses a more normal set of instructions.
It will shut down the test if you exceed 85c.

Overclock using the bios.
Set all to default.
Then gradually raise the multiplier and test, leaving voltage on auto.
How high you can go will be determined by the quality of your chip.
4.2-4.4 is reasonable.
The thing to monitor is VCORE. CPU-Z will do that. You do not want to exceed 1.3v.
As you raise the multiplier, it will raise vcore. And, it is higher vcore that raises the temperature.
You will likely run out of vcore limits before you run out of thermal limits.

Do not increase ram speed past stock voltages. Otherwise it takes away from overclocking headroom and higher ram speed is not very effective anyway.
http://www.anandtech.com/show/7364/memory-scaling-on-haswell

When all is done, implement adaptive voltage and speedstep.
This will reduce the multiplier and vcore when the cpu has little to do.
 
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Aladdad

Aladdad

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Dec 10, 2014
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Well you can simply start by setting the core voltage at 1.200v and setting your multiplier at 4.4 and see if its stable, If not then increase the voltage up a bit (my 4690k is stable 4.4 @ 1.230v/ 4.2 @ 1.130v) but again Every cpu is different than others so this is just for reference to give you an idea. Wouldn't recommend using Intel Burn test it adds up a lot of heat and runs an AVX test on your CPU which peaks up to 110% usage use Prime 95 v26.6 Small FFT instead http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html
as for your ram i would say just leave it as it is. as it really does not increase any performance in terms of gaming and barely any that its not even worth it for other applications.

As for temperatures anything below 85c undress stress testing is completely fine. gaming temps should never go past 80c i prefer to have my temps when gaming under 70c

I have no experience with your cooler but if you want to start with 4.5Ghz right away i'd say try and set the voltage at 1.280v and see if its stable.
Good Luck!
 
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