Requirements 64MB thats a Voodoo 5.
http://www.doom3.com/3D Hardware Accelerator Card Required - 100% DirectX® 9.0b compatible 64MB Hardware Accelerated video card and the latest drivers*.
English version of Microsoft® Windows® 2000/XP
Pentium® IV 1.5 GHz or Athlon® XP 1500+ processor or higher
384MB RAM
8x Speed CD-ROM drive (1200KB/sec sustained transfer rate) and latest drivers
2.2GB of uncompressed free hard disk space (plus 400MB for Windows® swap file)
100% DirectX® 9.0b compatible 16-bit sound card and latest drivers
100% Windows® 2000/XP compatible mouse, keyboard and latest drivers
DirectX® 9.0b (included)
MULTIPLAYER REQUIREMENTS:
Internet (TCP/IP) and LAN (TCP/IP) play supported
Internet play requires broadband connection and latest drivers
LAN play requires network interface card and latest drivers
Important Note: *Some 3D accelerator cards with the chipset listed here may not be compatible with the 3D accelerator features utilized by Doom 3. Please refer to your hardware manufacturer for 100% DirectX 9.0b compatibility. This product does not support Microsoft® Windows® 95/98
Keithuk or NT.
SUPPORTED CHIPSETS:
ATI® Radeon(tm) 8500
ATI® Radeon(tm) 9000
ATI® Radeon(tm) 9200
ATI® Radeon(tm) 9500
ATI® Radeon(tm) 9600
ATI® Radeon(tm) 9700
ATI® Radeon(tm) 9800
All nVidia® GeForce(tm) 3/Ti series
All nVidia® GeForce(tm) 4MX series