they are vid. cards for 3D animation/rendering, mostly stuff you do with AutoCAD, 3DSMAX, Maya, Lightwave, etc..
they will play games, but not as good as a "gamer card"..
btw, if you will do anyhting with graphics, don't get a dell, get a system from monarchcomputers, and AMD system... unless you are willing to build your own.. that would be cool cuz we'll help you
Samsung QX410 notebook <-- lol, I'm always on the go these days :(