Here are the recommended specs for San Andres.
- CPU: Pentium 4 or Athlon XP
- CPU SPEED: 2 Ghz
- RAM: 384 MB (the more the better!)
- VIDEO CARD: 128 MB DirectX 9.0c compliant video card (NVIDIA GeForce 6 series)
- TOTAL VIDEO RAM: 128 MB
- PIXEL SHADER: 2.0
- VERTEX SHADER: 2.0
- 3D: Yes
- HARDWARE T&L: Yes
- OS: Windows 2000/XP only
- FREE DISK SPACE: 4.7 GB for full install
- SOUND CARD: Yes
- DVD-ROM: 16X DVD-ROM (speed not tested)
The 3770 is plenty fast enough. The question is what GPU are you using as if it is the iGPU that won't be enough.