Minimum:
P4 1.5Ghz CPU (or equivalent).
384MB of RAM.
64MB graphics card.
Lowest supported GPU is a Geforce 4 MX (worse than Geforce 3).
Supported cards:
GF 4 MX.
GF 3.
GF 4.
GF FX (and higher).
Radeon 8500s, 9000s and higher.
They themselves recommend:
2Ghz CPU.
512MB RAM.
Radeon 9800.
5-channel sound card and speakers.
这是John Carmack 自己说的
A video card with at least 128MB RAM and Pixel Shader 1.1 support is required。
A 2.5GHz CPU should be enough for the stencil shadows and physics calculations。
所以说,要求还是很大众(游戏迷)化的。