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vCore Offset vs Dynamic - Page 3

post #21 of 27
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Quote:
Originally Posted by TwoCables View Post

I thought you said that anything lower than 1.408V is unstable (that is, lowering the offset to produce a voltage lower than 1.408V).

It's fine on Dynamic.. But if I change it to Offset it just wants more voltage to be stable somehow..
 
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post #22 of 27
If you use a fixed voltage as opposed to the offset,when the chip idles it stays at the same voltage and thats not good. I use the 3770k chip with Asus z77 sabertooth and I use a offset voltage of 0.065 for my 4.5 overclock and the voltage hits 1.28 and drops back down to 1.104 at idle.The link below is a great video to explain offset and why you should use it.My temps stay around 75c max.



http://www.youtube.com/watch?v=4mkGQhE1o2w
post #23 of 27
Quote:
Originally Posted by Matt-Matt View Post


It's fine on Dynamic.. But if I change it to Offset it just wants more voltage to be stable somehow..

 

If you're comfortable having that voltage being pumped through your CPU 24/7 even when it's idling, then ok.  However, using an Offset will allow the CPU to live much longer.

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post #24 of 27
I was trying out dynamic (offset) on my 3570k last night (Z77X-D3H Mobo)

I actually had to set a -0.06v (Making 1.25v under load) offset to bring the vcore down to a level that was stable (4.2GHz). I'm idling at ~0.09v when it clocks back to 1600MHz smile.gif Prime stable for 7 hours.

I'll have to try higher clocks this weekend. I feel my chip is a bit of a lottery fail as I need 1.4v to run 4.4GHz stable.
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post #25 of 27
Quote:
Originally Posted by KrS14 View Post

I was trying out dynamic (offset) on my 3570k last night (Z77X-D3H Mobo)

I actually had to set a -0.06v (Making 1.25v under load) offset to bring the vcore down to a level that was stable (4.2GHz). I'm idling at ~0.09v when it clocks back to 1600MHz smile.gif Prime stable for 7 hours.

I'll have to try higher clocks this weekend. I feel my chip is a bit of a lottery fail as I need 1.4v to run 4.4GHz stable.

 

Your Load-Line Calibration setting plays a role in determining what offset voltage setting you need for the core voltage you are after.

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post #26 of 27
Ahh yes I forgot to mention those settings. I had my LLC set up before trying this so i have 0 Vdroop when loaded (High did the trick)

So basically, i didn't have to worry about my voltage readings being off. I actually DO need to have 1.25v for 4.3GHz)
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post #27 of 27
Quote:
Originally Posted by rmorse27 View Post

If you use a fixed voltage as opposed to the offset,when the chip idles it stays at the same voltage and thats not good. I use the 3770k chip with Asus z77 sabertooth and I use a offset voltage of 0.065 for my 4.5 overclock and the voltage hits 1.28 and drops back down to 1.104 at idle.The link below is a great video to explain offset and why you should use it.My temps stay around 75c max.



http://www.youtube.com/watch?v=4mkGQhE1o2w

Makes me feel like I got a horrible chip, my default Vcore is 1.165, at stock speeds P95 crashes out at 1.100 Vcore. I've seen some people at 4.3 at lower voltages than mine defaults to.

Currently tested 12 hours stable at 4.3 Ghz at 1.200 Vcore hitting 76c on my mid/low end Hyper 612 . Do you guys think dropping my PLL from 1.8 to something like 1.65v may help my stability at lower Vcores? Going to try taking it down to 1.190 Vcore when I get home from work tonight.
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