Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
The "Power & Memory Usage" test was done to evaluate whether XFCE and LXDE consume less power and memory compared with their "big" siblings KDE and Gnome. The tests were done on a stock Ubuntu installation. At first glance the results suggest that KDE consumes much more power than the others. However, these results are misleading.