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* * * POST Your GPU ASIC Quality Thread

Duff-Man said:
It's (supposedly) a quantification of the electrical leakage on the die.

In theory, an otherwise identical chip with less leakage should draw (slightly) less power to achieve the same clockspeed. In principle this should imply that the chip is more efficient, and may be a better clocker.

The results so far in this thread don't seem to support the theory though (mine certainly don't!). So, either the measure isn't very accurate, or other factors are more dominant - like, for example, the quality of thermal connection between the heatsink and the GPU.
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It certainly doesn't seem to have any trend with higher numbers = better overclockers. I've tried it on a handful of 4xx cards now and all the good overclockers get upper 50s to low 70s and the average clockers are all in the upper 80s or upwards. Don't have any poor overclockers to hand to try - this is only about half a dozen cards tho so not enough to say that low number = better overclocker.
 
Rroff said:
It certainly doesn't seem to have any trend with higher numbers = better overclockers. I've tried it on a handful of 4xx cards now and all the good overclockers get upper 50s to low 70s and the average clockers are all in the upper 80s or upwards. Don't have any poor overclockers to hand to try - this is only about half a dozen cards tho so not enough to say that low number = better overclocker.
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Yeah. Increasingly, the ASIC quality seems to be unconnected to overclockability. I've noticed on other forums people with EVGA GTX 580 SCs with lower ASIC quality than mine.
 
Rroff said:
It certainly doesn't seem to have any trend with higher numbers = better overclockers. I've tried it on a handful of 4xx cards now and all the good overclockers get upper 50s to low 70s and the average clockers are all in the upper 80s or upwards. Don't have any poor overclockers to hand to try - this is only about half a dozen cards tho so not enough to say that low number = better overclocker.
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There certainly used to be a similar thought on CPUs, the more leaky it was, the better it would clock if you could keep the extra heat under control.
 
I can remember low vid q6600 cpu's being great clockers, but they ran hotter than chips with high vid. Even those of 1.325, which seemed to be the upper limit vid wise on those cpu's.
 
I get 100.6%.... wa hey!!! no idea what it means tho. Its an EVGA GTX 570SC

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Day 1 £450 480's
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The card scoring 95.4 is the second card in my SLI setup, yet it has always run a good few degrees hotter than the first, yet the first card is the last in my WC loop.
 
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