Overclocking question, getting that last core set...

Brighttail

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Oct 24, 2014
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Hey all,
I have got an I7-4790k and i have achieved a stable 4.7 Ghz all four core overclock at 1.30v with the cache at 1.275v.

I then was able to overclock per core and got a 48,48,48,47 stable with 1.31v and 1.28v cache.

Sadly I can't get that last core up to 48, even raising the voltage to 1.35 and 1.37v.

Any suggestions on how to get that last core up or in the end does it really matter?

I have also gotten a stable overclock at 49,48,47,46.
What overclock would be better 48,48,48,47 or 49,48,47,46?

Thanks,
BT