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Sli 6800gt

post #1 of 8
Thread Starter 
Hi guys need abit of help , can i use a 6800 gt and 6800 ultra in Sli ?
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post #2 of 8
yes you probaly can, but the ultra will downclock to the same speeds as the 6800gt.
To avoid this you may be able to mod the 6800gt to a Ultra.
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post #3 of 8
Why not?
Same core... same specs...
Just need to OC the GT and flash it with the Ultra bios...
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post #4 of 8
Yes you can Use them Together in SLI but you wont get as good Performance as there not a matched Pair of cards.
post #5 of 8
Quote:
Originally Posted by Omri
Why not?
Same core... same specs...
Just need to OC the GT and flash it with the Ultra bios...
that doesnt work
u can run sli just overclock the GT to the ultras speeds or underclock the ultra to the GT speeds
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post #6 of 8
It's the same card!
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post #7 of 8
Quote:
Originally Posted by Omri
It's the same card!

The picture you uploaded is not represenative of the 6800GT cards sold here in the states. Both cards do indeed share the same core NV45 but the GT version was clocked at 350 core and 1000 mem. while the Ultra version was clocked at 400 core and 1100 mem. I also have heard rumour that there was a design change on the Ultra's pcb to help deliver cleaner power to the core thus enabling a higher clock speed.

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post #8 of 8
Thread Starter 
wel guys i tryed what every ones said and it doesnt work tell me to take out the none SLI card but they are both sli lol
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