Originally Posted by kumquat
If he's interested in playing BF3 at ultra settings 1280mb is not enough video ram, certainly at 1920x1080. SLI does not increase video ram, each card stores a copy of the same data. With only 1280mb video ram SLI 570's is a dead end solution.
When I run SLI 560 Ti's with 1024mb video ram, ultra settings at 1920x1080 it easily uses all 1024mb, then i get stuttering and average 10fps.
Current estimations are April for the Kepler cards. My opinion is wait for that or consider the next generation AMD radeons.
I am playing BF3 at 1920x1080p on Ultra settings with a gtx 570 and I don't experience stuttering or anything else, the game runs very smoothly and up until now I have not encountered any slow downs or anything.
Kepler will be more powerful than the 500 series of nvidia cards but the price will definitely be higher then a gtx 580 for those higher end models.