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Possible?

post #1 of 7
Thread Starter 
Is it possible to run a 6970 with a 6950 1gb? Also with a total of 3gb of VRAM I should be fine on 4800x900 resolution?
post #2 of 7
You can unlock the 6950 1GB to 6970 speeds but you will not be having 3 GB of VRAM memory, and remember, even if you crossfire cards, that does not mean that the total vram is the total of the 2 cards. So if you unlock a 6950 to 6970 speeds and the 6950 is a 1GB version, than when you crossfire the 6970 with the unlocked 6950, you will only have 1 GB of vram to use.
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post #3 of 7
If you crossfire two 2GB cards, you get 4GB VRAM, but only 2GB of it is usable. If you crossfire a 1gb to a 2gb, then you get the lowest GPU VRAM number, in this case, 1GB. You would be downgrading.
The 6990 is the same way. It technically does have 4gb, but it is 2gb per "GPU" and thus only 2GB is usable.

With crossfire, it isn't shared memory. Each GPU has it's own VRAM and they are pretty much clones, think like RAID1.
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post #4 of 7
I just said the same thing...
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post #5 of 7
BTW, there's NO way to unlock a 1GB 6950.
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post #6 of 7
Oh yeah now I remember you cant unlock the 1 GB 6950 version but you can unlock the 2 GB 6950 version which is $30 or $40 more dollars than the 1GB version.
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i5 2500K Asrock p67 extreme4 gen3 Gigabyte GTX 970 G1 Corsair 8 GB  
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post #7 of 7
Thread Starter 
K thanks. + reps. Bought a Reference powercooler 6970 and ordered a reference ASUS 6950 (2gb) that I heard has good unlocking potential.
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