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Matrix 7970 Platinum voltage locked? - Page 3

post #21 of 27
I'm getting this card soon and i want to know how to verify if i got a good gpu in the silicone lottery . do i have to anything specific ? sorry for the dumb question but im new to overclocking stuff . tanx!!! thumb.gif
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post #22 of 27
there is nothing you can do except overclocking and checking how high you can go when you get the card.
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post #23 of 27
Quote:
Originally Posted by PANAMANIACS View Post

I'm getting this card soon and i want to know how to verify if i got a good gpu in the silicone lottery . do i have to anything specific ? sorry for the dumb question but im new to overclocking stuff . tanx!!! thumb.gif

How good the silicon is can only be determined by overclocking. From my experience; Tahiti cards[7950 & 7970] overclock similarly. On average, you can expect anywhere from 1100MHz to 1200MHz on the core on air cooling. Anything greater than 1200MHz in my opinion is good silicon. Samples capable of 1250MHz or faster is jackpot thumb.gif

VERY few reach 1300MHz or higher on air.

Over the course of the year, I've owned four 7970s. Only one one of them could manage 1250MHz and faster. That card is the Matrix 7970 Platinum. The others ranged anywhere from 1125 to 1210.

Test your luck. You may luckier than some of the disappointed users in this thread thumb.gif
post #24 of 27
Thank u guys for your quick response . i will try to oc a little bit as soon i get the card and post my results!!!biggrin.gif
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post #25 of 27
How important/used is tesselation? I've got my Matrix to 1230/1750 @ 1.3v and it's stable in game so far (haven't tested BF3 multiplayer yet), but running unigine heaven on 1920x1080 ultra with extreme tesselation I get artifacts like crazy (usually not until I hit 70c though)
post #26 of 27
Quote:
Originally Posted by Strata View Post

How important/used is tesselation? I've got my Matrix to 1230/1750 @ 1.3v and it's stable in game so far (haven't tested BF3 multiplayer yet), but running unigine heaven on 1920x1080 ultra with extreme tesselation I get artifacts like crazy (usually not until I hit 70c though)

run it at lower clocks / voltages . artifacting means unstable. try more games like crysis 3 , tombraider or farcry 3 to test stability.
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post #27 of 27
Also I'm definitely locked if HW Monitor is correct, 1.256v...I'll have to get a DMM to verify
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