The Far Cry 2 Developers Blog now offers the minimum and recommended system specifications for playing Far Cry 2, the shooter sequel in the works at Ubisoft:

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 .