Official Command and Conquer III system requirements
These are the PC specs advised by developers to run at minimal and recommended settings. Those requirements are usually very approximate, but still can be used to determine the indicative hardware tier you need to play the game.
Minimum system requirements
Recommended system requirements
Graphics card: NVIDIA GeForce 6800, ATI Radeon X1800 or higher end DirectX 9.0c compatible gfx card