hi guys here is my sys specs fx4100 mobo m5a78l-mlx from asus smps solitaire powerzone 500 wtt 4gb ram 1333mhz and saphhire hd 6450 2gb. please let me know 6that with these features can i play bf3 crysis3 and maxpayne3 or not. AS i doubt it wont please sugest me wether i can install sapphire hd 7770 in this rig or not is it compatible to my sys specs or not. my monitor is 23 inch 1920*1080.