Unity is less than half of what Gnome3-shell is. No, it is nothing

The title may shock Ubuntu's fan and fans of dieted window manager xfce:
Gnome3-shell footprint is as good as XFCE's with on-par comparison despite
of the fact that Gnome 3 shell is much feature rich than XFCE.

http://www.resplect.com/?q=node/30

Please spoil mistakes in the benchmark if you find any :))