Not detailed
Most model of nvidia's mid-end card has 1GB VRAM
Anyway what kind of/which games' settings you want to be told, for CS or others?
If CS
Anisoprofic filtering - OFF
Anitialising(everything) - OFF
Quality/Performance - QUALITY
Trilinear Optimization - Off
V-sync - OFF 4sho
Triple Buffering - OFF

everything else leave at default