So here, hopefully this demonstrates to you what I was trying to tell you and Russian in the other thread.
Vs
Whats going on?
Well I kept the settings the same, but I overclocked my GPU from 607/1674 (stock) to 776/1900 (overclocked).
However you'll notice my avg and min fps pretty much stayed unchanged, you'll also notice my gpu usage graph went from close to 99% for the most part but barely ever there, to almost never there. You can also clearly see the lowest fps came when gpu usage was at it's lowest.
This indicates to me, that overclocking my gpu is not affecting my fps lows, those hinge on my cpu and my cpu alone. Having a 680 wouldn't change that, no amount of additional gpu power is going to allow me to achieve higher fps, only a faster cpu can do that at this point.
However as I was eluding to before, since I have a faster gpu (overclocked) and I am limited by my cpu on the mins I can raise the settings now without losing frames. For instance in BF3 I could probably enable Ambient Occlusion and still keep the same mins and overall experience I had at stock, however with higher IQ (imagine quality). If I had an even faster gpu or even possibly with this one, I could start to enable MSAA.
The lowest common denominator in my i3 rig is my CPU in BF3, 470 or 7970, doesn't matter. My base fps are set, all I can do from here with different gpus is increase the IQ at this point.
Which was why I argued against the 7950, I don't feel a bit ol AA is worth the substantial cost, but that is just me