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SLI and crossfire Q"s

Go to solution Solved by Oshino Shinobu,

Ok thanks

The one you chose as best answer is incorrect. 

 

Crossfire will use the lowest amount of vRAM (in this case, 2GB). SLI will not work with different amounts of vRAM. 

I have wondered this for a long time and haven't found answers anywhere.

 

So, If you crossfire/SLI a graphics card with 2gb vram and a graphics card with 4gb would you end up with 2gb or 4 gb usable vram?

 

 

Thanks :)

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I have wondered this for a long time and haven't found answers anywhere.

 

So, If you crossfire/SLI a graphics card with 2gb vram and a graphics card with 4gb would you end up with 2gb or 4 gb usable vram?

 

 

Thanks :)

2gb

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I have wondered this for a long time and haven't found answers anywhere.

 

So, If you crossfire/SLI a graphics card with 2gb vram and a graphics card with 4gb would you end up with 2gb or 4 gb usable vram?

 

 

Thanks :)

Both use the VRAM of one card with the lowest one. Since one card is 2gb, it will use the 2gb of that card.

 
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2GB not worth it atm

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For Crossfire, you would have 2GB. For SLI, it would not work. They require the same model (ie. 2x 980Ti), as well as the same amount of vRAM. 

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It depends,

In sli you have to have the same amount of vram for it to work.

In Xfire you just end up with the amount of vram on the lowest card.

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2gb

 

 

Both use the VRAM of one card with the lowest one. Since one card is 2gb, it will use the 2gb of that card.

Ok thanks

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Ok thanks

The one you chose as best answer is incorrect. 

 

Crossfire will use the lowest amount of vRAM (in this case, 2GB). SLI will not work with different amounts of vRAM. 

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Ok thanks

 

If you have 2 2GB cards then it will use both cards for memory, which means double bandwidth. That is also a pro of SLI. 

And a DirectX 12 hint was vRAM on SLI stacking. (2GB + 2GB = 4GB)

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