Can i SLI a 4gb gtx 780 with a 6gb gtx 780?

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bangforthebuck

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May 28, 2013
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I was wondering if i could SLI my current 4gb gtx 780 with the new 6gb gtx 780? Will there be any issues with the memory difference?
 
Solution
unknownofprob
SLI or crossfire memory does not add! Vram is mirrored so this is how it works;

2+2=2GB

2+4=2GB

4+4=4GB

4+6=4GB

6+6=6GB

A waste of money, you need the same Vram amount for it to be the same for both, otherwise it is cut back to the lowest amount of Vram on the card for both.
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comebackking84

comebackking84

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Dec 20, 2013
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would the cards memory size be an issue or just add together? I though cards bottleneck at the memory and core clocks not the size.
 
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unknownofprob

unknownofprob

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Oct 3, 2013
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SLI or crossfire memory does not add! Vram is mirrored so this is how it works;

2+2=2GB

2+4=2GB

4+4=4GB

4+6=4GB

6+6=6GB

A waste of money, you need the same Vram amount for it to be the same for both, otherwise it is cut back to the lowest amount of Vram on the card for both.
 
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Solution
comebackking84

comebackking84

Honorable
Dec 20, 2013
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unknownofprob
Thanks For The Clarification! Have A Great Day.
 
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