Can I run EVGA GTX 770 classified 4gb and EVGA GTX 770 SC 2gb on SLI?

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Harry Brasier

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Jul 20, 2014
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Calvin3200
Yes, that's exactly what we're saying - 2gb.

SLI doesn't add VRAM... 2+4=2. 4+4=4.

Basically, alternating frames are done by alternating cards. You'll have 2 separate cards operating as one, and in a sense, taking turns producing frames.

SLI always takes the lowest amount of VRAM and clock speed, and uses both cards in the same manner with the same capabilities.
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Calvin3200

Calvin3200

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Mar 10, 2014
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You don't want to do that. If you SLI a 4gb card with a 2gb card, both cards will run as if they were both 2gb.

Your FPS would go up because you have a second 770, but your VRAM limit would be 2gb. Spend they extra couple bucks and get the 4gb, it'll be well worth it in the long run.
 
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Harry Brasier

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so your saying if i run another 2gb it gonna go down to 2gb? and if i get another classified 4gb to SLI does it mean that it gonna go up to 8gb ?

sorry if i ask too many question i'm new to this stuff..
 
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Calvin3200

Calvin3200

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Mar 10, 2014
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Yes, that's exactly what we're saying - 2gb.

SLI doesn't add VRAM... 2+4=2. 4+4=4.

Basically, alternating frames are done by alternating cards. You'll have 2 separate cards operating as one, and in a sense, taking turns producing frames.

SLI always takes the lowest amount of VRAM and clock speed, and uses both cards in the same manner with the same capabilities.
 
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oxiide

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Nov 8, 2011
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Each graphics processor has access to what's on its own board. Each GPU needs its own copy of every resource, and that's stored in its own pool of VRAM. So you can't add them together; two GPUs with 4 GB each have access to 4 GB each, not 8 GB.
 
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