Download the free tool GPU-Z to examine the details of your graphics card.
GPU-Z is a small programme that serves to analyse your graphics card. Similar to CPU-Z for processors, you will be informed in a clear way about, among other things, chipset and memory, DirectX version and production technology or the number of shaders.
You can read about the changes and new features of the current version, 0.7.2, in the release notes on the developer's page.
Verdict: Anyone who needs information about their graphics card can get it from GPU-Z. Just remember that the tool is still in the development stage.