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i5 4670k 4.5GHz good voltage?

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October 10, 2013 1:26:06 PM

I'm currently stress testing through Prime95 @4.5GHz and 1.200 voltage on my i5 4670k. Does anyone know a good voltage to run at atleast 4.5GHz? Oh, and my temps are around 80C at max atm

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a b K Overclocking
October 10, 2013 1:29:34 PM

1.2V is a very good voltage for 4.5ghz, as well as temperature, on Haswell. You have received a good chip, you can always try lowering voltage -0.05 until it is no longer stable, then go to last stable voltage. Overall, it looks great so far.
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October 10, 2013 2:24:36 PM

Tried to put it at 1.950 and it crashed, so I put it on 1.970 and its been almost an hour now, letting it stay over night. Thanks a lot for the answer :) 
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November 9, 2013 2:18:06 AM

Wow! Your chip is really awesome! Why not try to up the clocks? Oh and letting it stay overnight does not tell if it is stable or not, you need to STRESS TEST it.
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November 10, 2013 4:59:17 AM

seeing your temps are around 80 degrees already is that max load or just gaming, because overclocking more and changing the voltage higher will most likely increase it by quite a bit, what cpu cooler do you have?
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a b K Overclocking
November 13, 2013 12:18:37 PM

Hverdagslefsa said:
I'm currently stress testing through Prime95 @4.5GHz and 1.200 voltage on my i5 4670k. Does anyone know a good voltage to run at atleast 4.5GHz? Oh, and my temps are around 80C at max atm


i'm jealous! i can only get 4.4 @ 1.3v and it crashes after an hour of stress testing.

wish i had a good chip, wanna swap ?
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February 2, 2014 9:59:39 PM

I think we may have gotten ours from a similar batch cuz i can run 4.5 @ 1.2v no issues at all, but I'm using and H80i so my at load temps are like 54c, could pull of 4.6-4.7 maybe but the voltage jump to get there is too 1.28v though
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