What Should/Can i upgrate for better gaming?

[Nikiforos Sat Mat]

Hi Guys,
I have this pc a year now and it is very good but i feel like i need an upgrate for the new games that are coming out so could you please tell me what could i do to have gaming performance?
All my pc info that i could find is those:

Turbo-X Pegasus P250

Windows 8 64 bit

AMD Randeon HD 7700 Seies

Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (4CPUs),~3.3GHz

8192 MB RAM

I found this grafics card and i really want it do you think it is compatible with my pc?

 

[safeer2978]

upgrade ur cpu or graphicss card.
better buy a cpu cooler and overclock it.or buy a new one
or buy any gtx 700 series card for better experience