Possibly. The big issue will be your frequency. There is a big difference between 2.6 and 3 ghz for frame rates. You'd be better of grabbing a g2120 if you can afford the $40. If not wait a month or whatever to get the extra cash. You'll probably regret it if you don't.
Well I saw someone on YouTube playing with a 550ti. I'm
Not a hardcore gamer like u PC players are. I play occasionally mostly Cod4 and just Minecraft. I may get bf3 and if I do im going to lower the settings. I will have to get a core i3 later I really just don't want to spend that much.