i5 4670k 4.4ghz

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damon.clish

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Sep 3, 2017
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so i'm currently oc'ing my i5 4670k, so far i've got it at 4.4ghz with 75-80c at full load.

specs are:

i5 4670k 4.4ghz + Prolimatech Panther CPU Cooler
z87n-wifi motherboard
1060 gtx 6gb
2x4gb 1866mhz
GS600w PSU

my OC settings are:
cpu clock ratio: 44
VCore 1.27v
voltage is manual so that it doesn't spike above 1.27v.

I have tried 4.5ghz and i BSOD during stress tests. i've gone from 1.27v to 1.3v with 0.05 increments. PC boots, my idle and load temps seem to be the same no matter the clock/voltage between 4.2ghz-4.5ghz and 1.27v to 1.3v, maybe i am missing another setting to adjust, i'm not quite sure. Are there any other settings in BIOS i can change to increase my OC?

also i'm not quite sure on my temps, at idle i'm around 45-50c, at load 75-80c.

I'm new to OCing and any advice is appreciated!
 
Solution
Barty1884
That gap between idle and load seems pretty low to me. What are you using to determine your "load" temps?

With increasing voltage - your temps should increase. 0.03V should definitely impact a couple of degrees....

As for anything else you can do to increase your OC, not really. More voltage may help, but it's the silicon lottery afterall, and there are no guarantees. You might find you need a whole +0.1V to achieve +100MHz more, which is unlikely to make sense.

As for your current OC, 4.4GHz (+600MHz over Boost) seems pretty fair..... especially given the cooler you're using, is probably all you're going to be able to do. Looks like the max OC people are/were getting with 'normal' cooling methods were in the...
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Barty1884

Barty1884

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Apr 16, 2015
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That gap between idle and load seems pretty low to me. What are you using to determine your "load" temps?

With increasing voltage - your temps should increase. 0.03V should definitely impact a couple of degrees....

As for anything else you can do to increase your OC, not really. More voltage may help, but it's the silicon lottery afterall, and there are no guarantees. You might find you need a whole +0.1V to achieve +100MHz more, which is unlikely to make sense.

As for your current OC, 4.4GHz (+600MHz over Boost) seems pretty fair..... especially given the cooler you're using, is probably all you're going to be able to do. Looks like the max OC people are/were getting with 'normal' cooling methods were in the 4.4-4.6GHz range, 1.25-1.3V. While it sucks to be on the lower end of that, that's why it's referred to as a lottery.

Your temps are getting near the max of where you'd should be comfortable for long-term use, and your voltage (1.3V) is right at the upper-end of where you'd want to be on air.
 
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Solution
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damon.clish

Prominent
Sep 3, 2017
8
0
510


thanks , i had been looking around for an actual answer and your pretty much spot on, I've got it stable at 4.4ghz 1.26 at 40c idle(before was around 45-50c) 75/80 at full load. thats down to 76 at most i've seen.

as you said there could be a big jump from voltages to then next stable clock. i got to 1.3v and still wasn't stable at 4.5 so i just dialed back down to 1.26v.
 
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