At LOWEST settings possible for EVERYTHING, I'm constantly jumping between 10-30 FPS. My system specs:
- GeForce 660 with 2GB ram
- Phenom II x4 955 overcloced at 3.7 GHz
- 4GB system RAM
- 1680x1050 resolution
For comparison purposes, I can run BF3 maxed out and consistently get 60+ FPS.