Here are the Portal 2 System Requirements (Minimum)
- CPU: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
- CPU SPEED: Info
- RAM: 2 GB
- OS: Windows 7 / Vista / XP
- VIDEO CARD: Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
- PIXEL SHADER: 2.0
- VERTEX SHADER: 2.0
- SOUND CARD: DirectX 9.0c compatible
- FREE DISK SPACE: 8 GB
- DEDICATED VIDEO RAM: 128 MB
