Serious Sam 3: BFE System Requirements (Minimum)
CPU: Info
CPU SPEED: Dual-core from Intel or AMD at 2.0 GHz
RAM: 1 GB
VIDEO CARD: NVIDIA GeForce 7800/7900/8600 series, ATI/AMD Radeon HD 2600/3600 or X1800/X1900 series
TOTAL VIDEO RAM: 256 MB
PIXEL SHADER: 3.0
VERTEX SHADER: 3.0
OS: Windows XP 32-bit (with service pack 2 or 3)
FREE DISK SPACE: 4 GB
SOUND CARD: Yes
Serious Sam 3: BFE Recommended Requirements
CPU: Quad-core from Intel (i5/i7-series) or AMD (Phenom II) at 3.0 GHz
CPU SPEED: Info
RAM: 4 GB
VIDEO CARD: NVIDIA GeForce 480/580 GTX, ATI/AMD Radeon HD 5870/6970
TOTAL VIDEO RAM: 1 GB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7 64-bit
FREE DISK SPACE: 4 GB
SOUND CARD: Yes