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i5 4670k wont oc over 4.3 Temps under 65C

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  • Overclocking
  • Corsair
  • Intel i5
Last response: in Overclocking
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October 7, 2014 8:53:43 PM

Im looking for the best stable overclock that i can with my set up, but I must be doing something wrong. From what I've read, temps should be the limiting factor on the overclock, but that is not true in my case.

I understand that there is a huge "luck of the draw" situation with Haswell, but i feel there's no way I am reaching my limit.

My Specs:
CPU - Intel i5 4670K
GPU - Powercolo 7870 Myst Edition
MOBO - ASRock Extreme6
RAM - Corsair Vengeance 8GB Dual Channel DDR3 1600Mhz
PSU - Corsair HX 650
Cooler - Corsair H110 idle 29 Max 65ish

More about : 4670k wont temps 65c

a b K Overclocking
October 7, 2014 8:55:44 PM

are you using the multiplier? what is your voltage?
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October 7, 2014 8:58:21 PM

Im using a multiplier of 43 with BCLK at 100 Mhz. I had the voltage up to 1.3, yet anything over 43 was causing throttling and was only running at 35-40. im using Prime95 as my stress test
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a b K Overclocking
October 7, 2014 9:01:09 PM

try 44 and 1.32 volts, then 1.34, and up to 1.37 ish if temps are ok.
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a b K Overclocking
October 13, 2014 6:50:11 AM

Don't use prime95 for stress test. Doesn't work two well for Haswell. I find a quick 10 min run of OCCT always failed if volts are two low, and when you hit your thermal limit then leave AIDA64 for a few hours and you should be stable. i5 4690k @ 4.2 with 1.125 Vcore.
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