Whats the better rig for gaming

money is an issue so i have these to decide from

i5 3470
4gb RAM
hd 7870
1 TB hdd
600w psu
64bit windows 7 ?
or

i5 3570 not K
8gb RAM
hd 7850
500gb hdd
600w psu
64bit windows 7

im wanting to play games at ultra on a 1024 x 768 resolution screen with good fps ????

if so one what you pick could you give me a reason on your decision i will thumbs up every answer to

thanks alot guys