i5 4690K Overclock Voltage ?

So I've had my i5 4690k at the stock speed of 3.5 ghz ever since i purchased it literally almost 2 years ago today. I tried overclocking it once to 4.0 ghz without changing the voltage from stock and i got a blue screen like a day later. I haven't tried again ever since then. I never changed the voltage because i have no idea what i need to set it to. I wanna get my CPU to a 4.2 - 4.5 stable overclock but the voltage is what is stopping me. Like i wouldn't even know where to start on the voltage at all. Also how long would my CPU last on a OC of 4.2 - 4.5 ghz since i heard overclocking reduces the lifespan of your CPU. Keeping in mind that I've had it for 2 years now and i don't have the funds of getting a new CPU at the moment.

Hardware System Specifications:

Graphics Card : EVGA SC 8GB GTX 1070

CPU : Intel i5 4690k ( 3.5 Ghz )

RAM : Kingston HyperX FURY 16 GB Ram 1866 Mhz

Storage : 1 TB 7200 RPM HDD

Power Supply : 700W 80+ Bronze EVGA Power Supply

Motherboard : Asus Z97-Pro Gamer

Case : NZXT S340 Black

CPU Cooler : Hyper 212 EVO

Thank You in Advance with the Voltage advice, i appreciate it tremendously.
Reply to aGuillermo
3 answers Last reply
More about 4690k overclock voltage
  1. The key to adjusting voltage is to continue doing it in increments. If you got a blue screen on a low voltage, increase it incrementally until you find that your CPU will be stable at the clock that you want. Blue screening is just a sign that it isn't stable, and nothing is particularly wrong with it blue screening. Just increase the voltage and do plenty of stress tests for stability until you know that it's stable.

    As far as CPU life, an overclocked CPU will last only very slightly less amount of time than a stock one, assuming you can keep it cool. Heat is usually what kills overclocked CPUs, not the overclocking itself.

    Since this will be your only CPU until you can get money for a new one, I suggest going only to about 4.0 GHz, max 4.2 GHz since it will most certainly be stable at a relatively low voltage, which in turn keeps the life expectancy up.
    Reply to JalYt_Justin
  2. Any type of overvolting will degrade your CPU however if you stay in the safe zone, it would take over 10 years before the CPU would actually show signs of dying.

    Anyways, 1.35v should be your absolute max voltage. I recommend you stay around the 1.275v-1.32v range for the most optimal 24/7 usage. I had a 4690K for years (just recently replaced it with a 1700X) and i only needed 1.25v to hit 4.5ghz and 1.35v to hit 4.7ghz.

    If you want an easier way of overclocking, go ahead and go (or install) Ai Suite 3 for your Asus motherboard, run the auto overclocking utility and see what it says when done. Then manually go into the BIOS run the max clock speed you saw from Ai suite and then start lower voltages (from what Ai suite 3 was using as all auto OC software overvolts the CPU too much).
    Reply to TechyInAZ
  3. i'd let the auto oc for the mobo software do it for you.

    i have an msi z97 gaming 5 mobo and my 4690k is running at 4.2 ghz from the software's auto-oc setting. not even sure what voltage it is at as i never touched anything other than the software auto button :)
    Reply to Math Geek
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