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***Official Ivybridge Overclock Thread***

Even getting to 1.45V will be a challenge with these chips due to temps, unless you remove the IHS.

Still considering this myself. Will first see how things go with Z77 Sabertooth.
 
Ollie1132 said:
up to 1.52V is the max but OCUk suggests not going over 1.45V if I remember right.
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1.52V isn't the max safe Vcore. The only remotely comparable safe max that Intel give is 1.4v for SB-E on 32nm, which is a reasonable assumption for SB as well given that it's based on the same process. It does seem that IB is more volt tolerant than SB though as SB has been seen to degrade fairly quickly over 1.5V, the same isn't being said for IB.
 
vonex said:
thinking about replacing my board having a few minor problems with it. looking a tsabertooth or ud5h undecided yet
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The gigabyte one appears to have problems looking at the thread in the motherboards sub forum..... Don't get the p8z77-v pro it doesn't even have vccio manipulation.
 
-Mike- said:
The gigabyte one appears to have problems looking at the thread in the motherboards sub forum..... Don't get the p8z77-v pro it doesn't even have vccio manipulation.
Click to expand...
yup sabertooth is looking like my likely choice, will sell my gd65 on at a decent price
 
Jokester said:
1.52V isn't the max safe Vcore. The only remotely comparable safe max that Intel give is 1.4v for SB-E on 32nm, which is a reasonable assumption for SB as well given that it's based on the same process. It does seem that IB is more volt tolerant than SB though as SB has been seen to degrade fairly quickly over 1.5V, the same isn't being said for IB.
Click to expand...

I see cheers :p. I wouldn't take IB to 1.52v the temps would be nuts. Im pretty sure the heat if kept constant would cause the chip to degrade surely? At least from my understanding of how heat affects silicon over time.
 
Hmmmm, initial quick test makes me think Z68 board was just fine, and that maybe CPU just needed to "bed in" or something.

Had up to 1.34V for 5GHz on Sabertooth and would just BSOD after few seconds IBT very high, whereas Z68 would only give me error. Could just be that need to learn the board, but I am suspecting that the Z68 may have been a better clocker...

Guess I should see how I do with 4.9GHz first.
 
Guess the cpu must just have experienced some mild degradation already or something.

Bit odd, as didn't put any silly volts through it. 1.35V is max, and even that has not been for long at all.

The Sabertooth is definitely not clocking the chip any better. Still not determined if it is any worse yet.

Think 4.9 Will be my limit due to temps with either board. Looks like around 1.27V for this, though that may need bumping.

Sabertooth just feels like a waste of money now though :(
 
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