hey guys , i was thinking of upgrading my gpu . unfortunately because of my tight budget i've narrowed it down to 2 choices the radeon hd 7770(msi) and 650 gtx(asus ) .could anyone tell me which would be better for my rig.
motherboard:asrock h71 DS
ram: kingston 4b running @ 1333mhz
power supply:cooler master xtreme power 550 wt