Here are the minimum system requirements to run Doom 3 smoothly and efficiently without any crash, freeze, slowness etc. on any computer;
Minimum System Requirements:
CPU: Pentium®IV 1.5 GHz or Athlon® XP 1500+ processoror higherRAM: 384MB RAMGPU: 3D Hardware Accelerator Card Required – 100% DirectX® 9.0b compatible 64MB Hardware Accelerated video card and the lateset driversDirectX: DirectX® 9.0b (included)OS: English verision of Microsoft® Windows® 2000/XPHDD: 2.2GB of uncompressed free hard disk space (plus 400MB for Windows® swap file)Sound Card: 100% DirectX® 9.0b compatible 16-bit sound card and the latest drivers
Please also have a look at other posts under “System Requirements” category to view & check if your computer system is powerful enough to run other games like Doom 3 smoothly.