Far Cry 2 System Requirements
 

We know you’ve been waiting for this, and we’ve finally pinned down the minimum requirements and recommended hardware for playing Far Cry 2 on your PC. Here you go!

Minimum requirements

CPU: Pentium 4 3.2 Ghz, Pentium D 2.66 Ghz, AMD Athlon 64 3500+ or better
RAM: 1 GB
Video card: NVidia 6800 or ATI X1650 or better
Shader Model 3 required

256 Mb of graphic memory
Media reader: DVD-ROM
Hard drive space: ~12 Gig or HD space. (tbd)

Recommended

CPU: Intel Core 2 Duo Family, AMD 64 X2 5200+, AMD Phenom or better
RAM: 2 GB
Video card: NVidia 8600 GTS or better, ATI X1900 or better
512 Mb of graphic memory
Sound: 5.1 sound card recommended
Supported Video cards:
NVidia 6800, NVidia 7000 series, 8000 series, 9000 series, 200 series. 8800M and 8700M supported for laptops. ATI X1650 – 1950 series , HD2000 series , HD3000 series , HD4000 series .

http://blog.ubi.com/farcry2/article.php?content_id=8150