Are you blind? From the very article you linked, on the conclusion page:
http://techreport.com/r.x/dx11-multi...11-scatter.gif
470 higher than 5870, 460 higher than 5850. Both of which are to the left, and both gaps widen when you compare SLI vs CF due to superior scaling. And they widen even further when overclocking is brought into the picture. It's a pretty straightforward conclusion.. I'm not exactly going out on a limb here.
XI Wiki



