Graphics card suggestions

UKMadDog

Honorable
Jan 4, 2013
3
0
10,510
Hi all i am in the process of upgrading my home build pc and am looking at upgrading the graphics card next and am after any suggestions for a replacement for my Radeon HD-4850 not looking for the fastest card at a million pounds but a decent upgrade from my present card with a performance increase that i will notice :pt1cable:
 

UKMadDog

Honorable
Jan 4, 2013
3
0
10,510
AMD Bulldozer 8320
Corsair GS700
8GB DDR3 1333Mhz
no real budget in mind but would like cost v performance, at the moment using mainly for COD