Civilization 5 system requirements revealed

Firaxis has passed along the system requirements for its upcoming game, Civilization 5. Here's the good news: you won't need a Crysis-level PC to assert your dominion over others. Bad news? It's not September 21 yet.
Minimum Requirements

Operating System: Windows® XP SP3/ Windows® Vista SP2/ Windows® 7
Processor: Dual Core CPU
Memory: 2GB RAM
Hard Disk Space: 8 GB Free
DVD-ROM Drive: Required for disc-based installation
Video: 256 MB ATI HD2600 XT or better, 256 MB nVidia 7900 GS or better, or Core i3 or better integrated graphics
Sound: DirectX 9.0c-compatible sound card
DirectX®: DirectX® version 9.0c

Recommended Requirements

Operating System: Windows® Vista SP2/ Windows® 7
Processor: 1.8 GHz Quad Core CPU
Memory: 4 GB RAM
Hard Disk Space: 8 GB Free
DVD-ROM Drive: Required for disc-based installation
Video: 512 MB ATI 4800 series or better, 512 MB nVidia 9800 series or better
Sound: DirectX 9.0c-compatible sound card
DirectX®: DirectX® version 11

Other Requirements: Initial installation requires one-time Internet connection for Steam authentication; software installations required (included with the game) include Steam Client, Microsoft Visual C++2008 Runtime Libraries and Microsoft DirectX.