Which situation is better (CPU Voltage)

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Trancestor

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Sep 16, 2016
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Situation 1: Setting Vcore in Bios as AUTO, this makes my cpu Vcore max out at 1.392V and usually sit around 1.350V when gaming, but when on idle the voltage is very minimal.

Situation 2: Setting Vcore as Manual at 1.275V, this means the voltage is ALWAYS around that number, only going down to 1.260V when on load (Vdroop), even when on idle.

This is with a 4.5mhz overclock on my i7 6700k, the temps are good in both cases (around 60c). Now before you suggest to do Manual and set an offset or adaptive vcore, my motherboard doesn't have these options (Gigabyte Z170X Gaming 3). So what is the safest/best for the lifetime of my cpu out of these two situations?
 
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scuzzycard
I always run manual voltage. As long as it's a safe voltage and temps are good, then there are no worries. I'm pretty sure Intel designed these CPUs to be able to run under constant load, in which the CPU would have to stay at full voltage all the time. And 1.275 is actually at or slightly below stock voltage for a 6700K. I would feel extremely comfortable running your chip at around 4.6/1.30-1.32V, but the extra 100MHz is pretty meaningless anyway.
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iamacow

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Feb 11, 2015
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You could go with #3 and use a offset of +.100 so the cpu can lower its voltage and downclock when not being used. Constant voltage 't good long term for the cpu, nor is high voltage.

[strike]Your motherboard should have it because they all do. I suggest looking at the manual to find out where the option is,[/strike] Also update the bios to make sure you have the features.

Well I take it back, I read the shitty manual gigabyte provided and it only said it had advance cpu voltage section, but didn't go into detail. I would dig around your bios in the advance cpu section.
 
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Trancestor

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People (like the guy who replied after you) say tho that such constant full load voltage is bad...how worried should i be about this?



Pretty sure there's only 2 options there, LLC and some other thing, i'm 99% sure there is no offset option on that motherboard.
 
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Trancestor

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Does it wear the CPU tho if Vcore is always 1.272-1.260?
Power consumption and heat is not an issue.
 
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scuzzycard

scuzzycard

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I always run manual voltage. As long as it's a safe voltage and temps are good, then there are no worries. I'm pretty sure Intel designed these CPUs to be able to run under constant load, in which the CPU would have to stay at full voltage all the time. And 1.275 is actually at or slightly below stock voltage for a 6700K. I would feel extremely comfortable running your chip at around 4.6/1.30-1.32V, but the extra 100MHz is pretty meaningless anyway.
 
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