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ASIC Quality has no correlation with overclocking ability?

post #1 of 4
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I've had quite a few GTX 600 series cards, and the 670 that's currently in my system has the lowest ASIC that I've seen in a Kepler card. It's 79.3%.

However, this card will pass 3DMark11 at over 1.3 GHz boost clock, which is better than several of the other 670s that I've tried (all of which had ASIC quality in the 90%+ range). Granted, 3DMark11 is not a test of stability by itself, but several other cards I've had with much higher ASIC scores will crash out at around 1.2-1.25 GHz boost clock.

I'm using standard cooling, not LN2 or anything like that.

So does this mean that ASIC quality is not an indicator of OCing ability?
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post #2 of 4
ASIC quality is more of an indicator of how well it will perform on air vs water, and how much voltage it needs. I don't have a source, it's just what I understand from hearing and reading different articles and posts.
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post #3 of 4
Quote:
Originally Posted by 996gt2 View Post

So does this mean that ASIC quality is not an indicator of OCing ability?


Correct.
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post #4 of 4
My old GTX 670s ASIC Quality was 88.6% which is not something outstanding. It can still do 1.32 GHz at stock voltage.
I've seen people with over 90% that can't do more than 1.25 GHz even with the unlocked BIOS.
And definitely 79.3% is not bad.
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