THQ has confirmed the minimal and recommended system specs listed but there is also an optimal system requirement for people who want the full DirectX 11 experience.
Minimum PC Requirements:
Dual core CPU (any Core 2 Duo or better will do)
DirectX 9, Shader Model 3 compliant graphics cards (GeForce 8800, GeForce GT220 and above)
1GB RAM
Recommended PC Requirements:
Any Quad Core or 3.0+ GHz Dual Core CPU
DirectX 10 compliant graphics card (GeForce GTX 260 and above)
2GB RAM
Optimum PC Requirements:
Core i7 CPU
NVIDIA DirectX 11 compliant graphics card (GeForce GTX 480 and 470)
As much RAM as possible (8GB+)
Fast HDD or SSD
Enabling Nvidia 3D Vision:
Metro 2033 utilizes NVIDIA 3D Vision with compatible cards and hardware. To play in 3D you will require:
NVIDIA GeForce GTX 275 and above recommended
A 120Hz (or above) monitor
NVIDIA 3D Vision kit
Microsoft Windows Vista or Windows 7
