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If memory doesn't stack for SLI, what happens to it?

Last response: in Graphics & Displays
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Graphics card Expert
Memory Expert

Because it has to be mirrored to the other card. Most of the memory is needed for textures and some program code for the shaders. The gpu needs that local to work effectively, that's why it's mirrored.
Graphics card Master

noidea_77 said:
Because it has to be mirrored to the other card. Most of the memory is needed for textures and some program code for the shaders. The gpu needs that local to work effectively, that's why it's mirrored.

That pretty much sums it up, both cards have to hold the same information regardless of whether SFR or AFR is being used as the rendering method.
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