if you research the name of the card properly, maybe google it or find the maker's website, you should be able to get the exact specs of the gfx card. that site doesn't tell you much apart from its memory and the gfx chip inside it.
Gigabyte GA-7S748-L: AMD Sempron 2800+ 2.0ghz
Viking 512mb PC3200 DDR RAM
Maxtor Plus 80gb 7200rpm
Ati Radeon 9600xt 256mb