VGA Memory usage

I've noticed in Afterburner that not many games/apps (least that I have run so far) use more than 1gig of video memory. 3dMark11 only uses about 400Mb max, left4dead2 uses about 800 which is a common point for a few of them. Crysis2 has used the most so far, on full settings it uses 1.4G. I game at 1920x1200 so I find it interesting that cards like mine with 3Gig are really only useful for multimonitor setups or if you got like a Dell 30" monitor (yeah I know other ppl make 30s). Just an interesting factoid. If you strictly game at 1080p then 2gig is way sufficient.
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More about memory usage
  1. Nowadays gaming 2gb is enough.but in coming next year game will be higher demanding so in future game will be using above 2gb at 1080p or more.
  2. From what i have read, the extra ram really comes in useful if you add a higher Anti-aliasing. Crysis 2 recommends 1.5 GB of Ram for VGA if you run high resolution textures and Dx11 at the same time.
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