The fps depends of your computer. I got before 80-120fps depending of where im looking at and amount of multiplayer cars. Now, sometimes on crowded south city, with open config, it drops to 40fps which is still playable.
And my laptop is not that powerful.
Intel® Core™ i3-330M, 2,13 Ghz
NVIDIA GeForce GT 320M
3GB DDR3 RAM