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Worried about Overclocking a i5-3570K and I think I've almost got it figured out.

Hello internet!

I am finally getting around to overclocking my cpu! And I'm super nervous! I've reached a lot today, and I think I have a pretty basic understanding of overclocking, but I would love some last minute words of confirmation. :)

So first off my computer part list is here, but the short list of important pieces (for overclocking) are:

Intel Core i5-3570K
ASRock Z77 Extreme4 ATX LGA1155 Motherboard
Cooler Master Hyper 212 EVO and
XFX P1-750X-XXB9 PSU

Also I should kinda clarify want I'm going for. I just want to go for a safe (I know there's always a risk when OC, I just wanna minimize it) kinda efficient overclock. Nothing extreme or too aggressive. :)

#1: Is the ASRock Extreme Tuning Utility good enough to overclock with? Or should I work in the bios? Here's what the overclocking tab looks like: http://imgur.com/Ce8ro3Y

#2: You raise the CPU Ratio until you are unstable, then you slowly start messing with voltage, right? Is there a 'general' safe number to raise your voltage by (I hear there is sometimes a heat issue for the Ivy bridge)? Or should I stick with stock.

#3 Is Prime95 I good way to stress test? How long do I need to run it so I can be sure it's stable.

#4 Do I need to worry about temperatures? Should I stop increasing when I hit a certain temp? For some reason 75° sticks in my head.

Thank you for your help! :D This forum has been a great for anything tech related!
7 answers Last reply Best Answer
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  1. Best answer
    The BIOS is the preferable way to OC.
    Yes, multiplier first, vcore when it hits its first unstable number to bring it back to stability. Usually you want to disable Turbo for OC'ing.
    Prime95 (small ffts) is a good long time test if you have the time. I like to use Intel Burn Test for quick stability checks and then Prime95 for the final stability check. http://www.techspot.com/downloads/4965-intelburntest.html
    Depending on how your BIOS is designed, you can increase the vcore/CPU voltage a 'click' at a time.
    http://lifehacker.com/a-beginners-introduction-to-overclocking-your-intel-pr-5580998
  2. ^ Yup! Just make sure you don't use the newest version of Prime as it pushes temps 10C higher than previous versions.
  3. Wait til he tries IBT. That will really heat the CPU. But it will give a quick result of stability. Just be sure you watch temps.
  4. try IBT, it will scare the heck out of you :)

    aim for a decent clock first, dont go pushing for 5ghz now
  5. clutchc said:
    Wait til he tries IBT. That will really heat the CPU. But it will give a quick result of stability. Just be sure you watch temps.


    So I've been reading up a bit more on some 3570k benchmarks. I'm thinking I'll try to go for 4.4 - 4.6 and see where the voltage and temps end up.

    What temps should I stop at for IBT and Prime? Prime is for the final test, right? And is 10 time on standard enough for quick tests?
  6. ^i think you'll stop it yourself the first time you run ibt :)
  7. rushrage said:
    clutchc said:
    Wait til he tries IBT. That will really heat the CPU. But it will give a quick result of stability. Just be sure you watch temps.


    So I've been reading up a bit more on some 3570k benchmarks. I'm thinking I'll try to go for 4.4 - 4.6 and see where the voltage and temps end up.

    What temps should I stop at for IBT and Prime? Prime is for the final test, right? And is 10 time on standard enough for quick tests?


    Yes, I always use the default 10 pass run with IBT.
    3rd gen Core i processors have a Tjunction (Core temp) = 72C. Throttle at 105C. Try not to let the temps hover above mid 70Cs for an extended period of time. An occasional peak and back down is normal.
    http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

    When you get a stable OC testing with IBT, let it run prime95 for an hour. If it passes, gaming will be the final test.
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