Checking How much amount of RAM does your graphics has?

Every  PC comes with a certain amount of memory in video cards, thing is that to display the ongoing operations in CPU and the more capacity you have is the more can a graphic card handle the graphical data which you are using

In Windows Xp, You can check how much amount of graphic does you have.

Right click on desktop, go to properties and then to settings and click advanced button,

New window will open, then check for tab called adapter there you will find the video memory how much amount of memory does your memory card have.

In windows 7

Right click on desktop, go to personalizeàin bottom left go to display à go to adjust resolution à go to advanced settings à in adapter tab there you will find the total available graphics memorys