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I'm currently running two 5870s in Crossfire. They have 1 gigabyte of video memory each. It is likely that in a month I'll be playing many games at a resolution of 7680 x 1600 which leads me to wonder if the cards are up for the task. As it stands now, when I run a game at 5120 x 1600 I can't enable anti-aliasing above 4x, as the game just won't display anything. I feel that this might be because of the limited video memory.
What I'd like to know is if these two cards are capable of running games without anti-aliasing at the higher resolution and I shouldn't upgrade. Or if I'd suffer a huge performance hit, or if they can't run it, what are my options for a substantial upgrade to replace both cards? That is, if I buy one card to replace both, I'd like a performance increase if possible, and this way I could upgrade again to another card for crossfire later.
I have a 1000w power supply so I'm hoping that'll be enough for whatever suggestions you guys come up with.
El Psy Congroo