Call of Duty 4 Modern Warfare on Geforce 7600GT GDDR3

Call of Duty 4 Modern Warfare: All settings at maximum, less antialiasing ... Resolution ... 1024 x 768 Configuration of my pc: Celeron Dual Core E1200 - 1.60Ghz - 512K RAM - 2048mb DDR2 667 - Running in Dual Channel Video Card - Mosaico - Geforce 7600GT GDDR3 - 128Bits - 256Mb Running from 25 to 58 FPS