ak47jar3d :
Yeah, you should be able to run that card with that power supply. I would expect some bottleneck and you don't need a card like that to run games at 768p. An r7 240 should be more than enough.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202055
but i want to play games at high setting at 1024x768p like nfs run , max payne , nfsmost wanted 2........is this card able to work with this psu.And hd7770 take how many power in my pc.