Questions about overclocking

King_Potato · Nov 5, 2014

Hello
I'm going to overclock my i5 4690k today, which is cooled by a Corsair H80i and all mounted on an ASUS RoG Maximus VII Ranger.
This is my first time ever overclocking a CPU, so before I start ramping things up in the BIOS, I would like some things clarified in order to safely overclock, but at the same time not taking ages to do so:

1) By what increments should I be increasing the core speed multiplier?
2) How long should I stress test my CPU after having increased the core speed multiplier?
3) When do I know if I should start increasing voltage, and again, by what increments?
4) When I feel I found the sweet spot, how long should I stress test my CPU to ensure stability?

Furthermore, would it be a good option to run an automatic overclocking program (such as ASUS AI Suite III) and after that fine tune things from there?

Again, I want to emphasise that I really don't want to spend an extraordinary amount of time on overclocking. Preferrably, I'd like to be finished in one day.

Regards,
-King Potato

p.s. What would be a good target clock speed to aim for?

lightcloud · Nov 5, 2014

1) Follow this guide. http://www.overclock.net/t/1502288/overclocking-the-devils-canyon-i5-4690k

2) Strees test with Prime95 for half and hour and make sure it is stable.

3) Same thing. Follow this guide. http://www.overclock.net/t/1502288/overclocking-the-devils-canyon-i5-4690k

4) Same as answer number 2. Stress test with Prime95 for half and hour.

Overclock it yourself and manually. http://www.tomshardware.com/answers/id-1811944/software-automatically-overclocking.html

My recommeded speed is 4.2GHz.

matsamas · Nov 5, 2014

start with disabling all the power saving features.
upon done you will most likely hit a multiplyer of 43-44 without any voltage increase.
what's your goal? 45-47?
stress test for about an hour.
if nothing happens then just test it with normal use. gaming and other stuff. whenever you get errors freezes and games crashes go back to the bios and increase the voltage by 0.5
normally stress test last 24 hours but who can leave his machine running 24 hours?
I mean you gonna need to use it right.
always keep eye on temps.
Nowadays overclocking is pretty simple and safer.

Beezy · Nov 5, 2014

My personal advice.

1. Bump all settings one predefined bump at a time. The motherboard usually has +/- increments defined. My Asus board will bump the smallest amount it can when I hit shift+ or ctrl- to bump down.

2.in between bumps I run prime for roughly 10 minutes. You should be able to make some bumps seamlessly. Eventually after the repeated bumps and tests you WILL fail (as the clock will be too high to sustain with current voltage). Once you reached this point you know you have to bump the voltage up once and re test. If it passes, go back to the multi and bump that too. Keep that process up until you reach the max clock per least amount of voltae that is stable and within your accepted temperature range.
3.when you start getting to more moderate over clocks I would test with prime a bit longer. To test the OC for official stability and 24/7 use run prime for at least 6-8 hours and some people Wil say a full 24 hours. Honestly you won't know 100% it is stable even with prime. It could crash during game play or some other operation.

To really know you're stable you will be able to feel the OC. Does the PC feel faster or surprisingly worse? It should feel faster obviously. Just use the PC regularly for some time and if you're bsod free it's probably stable enough

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Questions about overclocking

King_Potato

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lightcloud

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matsamas

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Beezy

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