I've played Call of Duty: Ghosts on my computer and it runs but I think it wouldn't be considered playable on my computer because I've done a very little benchmark with fraps and the average fps is of 26 fps (1280x1024 Low and the beginning of the game)
Specs of my desktop computer:
i3-3220 (3.30 GHz)
8 GB of RAM
NVIDIA GeForce GT 620
Specs of my desktop computer:
i3-3220 (3.30 GHz)
8 GB of RAM
NVIDIA GeForce GT 620