depends on game and which card in-particular...
in a general sense, your wrong..
I understand you have the HD 7970 but that can be interpreted as you standing up for your hardware you have.
also a sign of biased opinions..
I understand you like nVidia, but that can be interpreted as you standing up for your hardware you have, and that is also a sign of biased opinions.
Look if you are going to do the usual posting of photos from benchmarks, that is fine, but don't lie about it. If it isn't done off of new Catalyst drivers and you refuse to take those into consideration, then anything you try to use that I go look at and see "Catalyst 12.4" or anything other than latest drivers won't matter.