Processor: Intel(R) Core(TM)2 Duo 2.4 Ghz , AMD Athlon(TM) X2 2.8 Ghz or better
Memory: 2 GB RAM
Graphics: NVIDIA(R) GeForce(R) 8800GTS , ATI Radeon(TM) HD 3850 or better
(512 MB, 256bit)
Processor: Intel(R) Core(TM)2 Quad 2.7 Ghz, AMD Phenom(TM)II X4 3 Ghz or better
Memory: 4 GB RAM
Graphics: NVIDIA(R) GeForce(R) GTX 560( 1GB , 256bit)