F.E.A.R. System Requirements said:
MINIMUM SYSTEM REQUIRED
* Windows® XP or 2000 with latest service pack installed
* DirectX® 9.0c (included)
* Pentium® 4 1.7 GHz or equivalent processor
* 512 MB of RAM
* 64 MB GeForce™ 4 Ti or ATI® Radeon® 9600 or equivalent with hardware T&L and pixel shader support
* 5.0 GB free Hard Drive Space for installation
* 4x CD-ROM drive (for Director's Edition, this will have to be DVD-ROM)
* 16-bit DirectX® 9.0 compliant sound card with support for EAX™ 2.0
* Internet Connection Required
* Mouse
* Keyboard
RECOMMENDED HARDWARE
* Pentium® 4 3.0 GHz or equivalent processor
* 1 GB RAM
* A 256 MB Radeon® 9800 Pro or equivalent DirectX® 9 compliant video card with hardware T&L and pixel shader 2.0 support
SUPPORTED CHIPSETS
Nvidia GeForceâ„¢ 4Ti, GeForceâ„¢ FX 5900, FX 5900 Ultra, 6800, 6800 GT, 6800 Ultra
ATI® Radeon® 9600, 9600 Pro, 9600 XT, 9700, 9700 Pro, 9800 Pro, x700 XT, x800 XT, x850 XT