Higher Graphic card memory is required for high resolution games, or animation software. This tutorial explains process to check the graphic card memory of your computer system.
If you download a game that needs high resolution, you will notice a pop up that mentions, the need for high memory graphic card, so it will ask you to upgrade the same.
This is perhaps the reason, why you will have a need to know the graphic card details.
There are 3 methods through which you can check graphic card details on your windows 7, 8 or vistas
Method 1 - Right click on computer - Properties - Device Manager - Display Adapters.
Method 2 - Right click on Desktop -Personalize - Display - Adjust Resolution - Adaptor.
Method 3 –Simultaneously Press Win key +R from keyboard - type dxdiag Select Display tab.