KDE.org: Desktop Memory Usage Sep 13, 2006, 20 :15 UTC (4 Talkback[s]) (4868 reads) (Other stories by Lubos Lunak)
"This was actually supposed to be a follow-up to my tests of startup performance of various desktop environments, primarily KDE of course :). In fact I even did most of the benchmarks some time after the startup ones, but, alas, I'm much better at writing things that computers are supposed to read than at writing things that people will read :-/ (some volunteer to write good user documentation for KWin's window specific settings, BTW ;) ?) I even meant to make a somewhat more extensive analysis of the numbers, but having never found time to write that, I decided I should publish at least a shorter variant with all the numbers and some conclusions. You can do your own analyses of the numbers if you will.
"These memory benchmarks are meant to measure various cases of desktop configuration and compare KDE to some other desktop environments. Specifically, I compared against Xfce 4.2.2 (as shipped with SUSE Linux 10.0) as the so-called lightweight desktop, WindowMaker 0.92.0 as a plain window manager and GNOME..."