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7970 ASIC Quality - Page 5

post #41 of 87
Quote:
Originally Posted by truestorybro545 View Post

Mine's 66%, running at stock (925/1375).
It's fine, but I have a messed up mobo right now, so my PC is relying on heavy overclocking for even the slightest performance. Bad BIOS chip and faulty CMOS (settings won't save). When I get my 3570k, I'm hoping that my ASIC will go up.


Asic % does not vary. It'sa value signifying the leakage level of the chip.

Quote:
Originally Posted by tahayassen View Post

4 pages and no one still hasn't explained that ASIC quality is meaningless?
I'm starting to lose faith in OCN.


Lol, how long have you been here?? Why do you think asic % is meaningless?? Knowing the leakage level is pretty handy for aircooled cards.
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post #42 of 87
The great tsm106 has graced us with his presence. Listen to him. He knows quite a bit. thumbsupsmiley.png

(Seriously, though. He's awesome.)

Sorry for the stupid observation. I didn't actually know that.
post #43 of 87
what the hell is AISC?
post #44 of 87
Quote:
Originally Posted by edo101 View Post

what the hell is AISC?

Read the entire thread, then you'll have a good idea.
    
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post #45 of 87
Quote:
Originally Posted by MrTOOSHORT View Post

Read the entire thread, then you'll have a good idea.

i dont have the time. a simple sentence would suffice
post #46 of 87
Quote:
Originally Posted by edo101 View Post

i dont have the time. a simple sentence would suffice
Its a measure that people speculate determines overclockability. Apparently, anything over 80% ASIC yields good results. Personally I don't buy it
    
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post #47 of 87
Quote:
Originally Posted by duhasttas View Post

Its a measure that people speculate determines overclockability. Apparently, anything over 80% ASIC yields good results. Personally I don't buy it

It does seem to have some bearing on the overclocking of cards, people with identical cards that have different asic values have seen that they overclock differently with higher asic generally doing better in their system.
It does get kinda meaningless when comparing in different environments though. For example I'm in a place that isn't too warm yet & don't use a case, & get xxxx/xxxx clocks at this voltage on a 63% asic card running 3d11, you live in a place that is much warmer & are using a cramped case with little airflow & max at the same or lower clocks & voltage with an 85% asic card gaming for 10 hours straight, if we just compare clocks, voltage & asic then it seems pretty useless.
    
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post #48 of 87
asic quality allows more of an understanding of how well the chip can handle volatges more so than oc ability. The silicon lottery is still in effect regardless of asic %.

For air a higher asic/lower voltage is nice because of the lower heat produced because of the less voltage need to achieve a certain clock but do understand that this in no way means it will oc better than a low asic chip. Oc ability is left up to the chip itself and less about leakage. But as temps rise you will have less stability and less Oc headroom so for air, low asic may mean higher Oc.
Edited by jomama22 - 6/18/12 at 7:08pm
     
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post #49 of 87
68.4% and can run 1250/1700 at 1.25v but run 24/7 at 1150/1650 at stock vcore.
post #50 of 87
Quote:
Originally Posted by zGunBLADEz View Post

2x Sapphire OC 7970
1st one is %60.5, tops out @ 1220/1575 with 1.25v
2nd one is 81%, Dont know the top yet because this card is weird need further testing.. Without touching the volts can do 1225/1900... It can reach 1275 at default volts but not stable maybe temp limited, dont know yet...

1900.... LOL Right.
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