I am not able to ask a proper question because I have no idea what the thing I am asking for is called. Perhaps it's tearing but I'm very unsure.
For example, if I grab a window and drag it around on the screen rapidly, the window will seem to be duplicated everywhere.
I don't know how to explain it so here is a video: http://tinypic.com/player.php?v=ta4u8p%3E&s=8#.UvZ8tPl_v60