i5 4670k @ 4.6Ghz, Hitting 1.405V with LLC on

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George Dirac

George Dirac

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Feb 6, 2015
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Hello, I am overclocking my i5 4670k on Asus Z97-A board with Noctua NH-D15, my multiplier is 46x and voltage is adaptive 1.33 with +0.02 offset, so on full load, it's around 1.35v. I have LLC on with level6, which is probably somewhere around 70-80%. When I am encoding, I am constantly at ~1.35v but at the start, voltage hits ~1.4v for a second. Should i be worried that my CPU lifetime will be degraded by much? or is that alright, since I am not running my CPU on 1.4v constantly. Why is that happening anyways, is that normal?

Image: http://i.imgur.com/VvDx6PG.jpg
 
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danielbsipe
The voltage seems high, but your temperatures are absolutely fine. High temps are what will shorten the life of your chip, also Intel cpus throttle in self preservation so you shouldn't have anything to worry about.
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danielbsipe

danielbsipe

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Aug 14, 2012
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Have you tried tuning your voltage down at all? Do you lose stability? Because 1.4v seems insanely high. I've read on tom's before that the devil's canyon chips shouldn't go above 1.3v. For comparison, I have managed stable overclocks with the 4790k at 4.7ghz at 1.19 volts. Try fiddling with it, see what happens...

That said, 73c max at that voltage is really good.

Also, when you OC it's recommended to turn the adaptive voltage off to avoid the spikes that you mentioned.
 
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George Dirac

George Dirac

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Yes, I can't get solid stability on 1.3v, so I have it set to 1.33 adaptive with 0.02 offset. Btw my chip isn't Devil's canyon, 4690k is Devil's canyon.

I shouldn't be hitting 1.4v at all when rendering, because I set my core voltage to 1.33v on adaptive with 1.35 max. I am not doing intel burn test or some of the synthetics that use additional voltage. And while rendering, my voltage is around 1.35 volts but at the start, for a second, it hits 1.406 or something, and during the rest of the rendering, I am at 1.35.
 
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danielbsipe

danielbsipe

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Aug 14, 2012
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The voltage seems high, but your temperatures are absolutely fine. High temps are what will shorten the life of your chip, also Intel cpus throttle in self preservation so you shouldn't have anything to worry about.
 
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George Dirac

George Dirac

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Feb 6, 2015
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Thank you! I feel better now. Yeah even on prime95 and\or aida64, max temps I hit when overclocked, are 75 degrees, it never even hits 70 when I am rendering or encoding.
 
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danielbsipe

danielbsipe

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Happy to help! :)
 
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