Quote Originally Posted by DarthShader View Post
Yes, that's obvious. What is less obvious, how would that influence SLi scaling. Because any benefits of increased frame buffers will already show up in single card mode.

10-20$, really? Wow, we are being ripped off in my country! I won't even mention how much the 5870 2GB version cost here... around GTX480 levels... the sellers must think moar ram = better card.
The difference between the two in most titles is between 2 and 5 fps at GTX 460 stock speeds in sli. On a faster card the difference should become a bit more pronounced, but as you pointed out earlier the GTX 460 already scales amazingly well in the first place. 2gb just keeps that scaling percentage at ultra high resolutions.

Also, running dual cards is more likely to hit the ceiling where 2gb comes in handy because it has the horse power to hit those ceilings vs 1 card that may not be fast enough to reach that point.