Max safe i5 4670k voltage?

tbyeah

tbyeah

tbyeah

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As title, what is the absolute highest voltage that a 4670k could take? I'm just seeing how how I can get the clock speed, managed to get to 4.9Ghz, 3 cores disabled, 1.47v. Heat not too much of an issue currently, hitting 80.
 
What is the point in disabling 3 cores?
Not sure of the max safe voltage but i would not be happy running 1.47v through it, especially if its on air.
 
tbyeah said:
As title, what is the absolute highest voltage that a 4670k could take? I'm just seeing how how I can get the clock speed, managed to get to 4.9Ghz, 3 cores disabled, 1.47v. Heat not too much of an issue currently, hitting 80.
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I would go to that even for short periods of time. 1.45v is the max i would go to with a haswell for benchmarking, id try to keep under 1.35v 24/7.
 
I would never go over 1.35v unless you are running LN2 or watercooling for short periods.

And even that can kill your chip. Be careful..
 
I'm not really benchmarking, just seeing who can hit the highest clock speed out of me and a friend. As I said temps are only at 80 so I have a bit of headroom. I'm more worried about just the high voltage than temps. That's why I've disabled 3 cores, lowers temps a lot.
 
If it's just benchmarking or just seeing 'who can get the highest' just for a few seconds, as you say in OP, then realistically you could go up to 1.5 or maybe more, providing you have good cooling.

Not sure why people are quoting 24/7 voltages.
 
Misinformation here is crazy.. The world record haswell clock was done with something over 1.8v.. you have a lot of headroom with the right cooling (LN2). Obviously not 24/7, but it seems like you aren't aiming for that stability.

It all depends on the cooling, you want to aim for 80's under 100% load to avoid any real long term degradation to your chip. You could, and people do, run at 1.5v 24/7 as long as your cooling was sufficient but I don't think a H80 will cut it above 1.35v with all clocks enabled, and I wouldn't go further than 1.5v for now unless you delid.

The temps will kill your chip before the voltage will.
 
weewyum said:
Misinformation here is crazy.. The world record haswell clock was done with something over 1.8v.. you have a lot of headroom with the right cooling (LN2). Obviously not 24/7, but it seems like you aren't aiming for that stability.

It all depends on the cooling, you want to aim for 80's under 100% load to avoid any real long term degradation to your chip. You could, and people do, run at 1.5v 24/7 as long as your cooling was sufficient but I don't think a H80 will cut it above 1.35v with all clocks enabled, and I wouldn't go further than 1.5v for now unless you delid.

The temps will kill your chip before the voltage will.
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Right, thanks. I know this must seem a bit random but I'm not looking to run it 24/7 or anything like that, literally just long enough and stable enough to complete a single run of IBT standard. At 1.47 and 4.9 ghz, like I've said, temps are only hitting 80 in this run, so cooling isn't an issue yet. Will be with a bit more voltage though.
 
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