Here is my rig:
OS
Windows 7 Ultimate 64-bit
CPU
Intel Core 2 Duo E7400 2.8 GHz
GPU
nVidia Geforce GTX 650 with 4.042 GB of vRAM
Overclocked a bit, not a whole lot
RAM
6.14 GB of RAM
Software
Running it on Steam with DirectX 11 (no high res texture pack)
Running Crysis 2 on Steam, at a 1600 x 900 resolution. Why is it slowing down? I benchmarked in on Game Debate and they say I should be able to max it out Also, I was running Deus Ex Human Revolution MAXED out just now....