Comparison of X Window System desktop environments - Wikipedia, the free encyclopedia

Comparison of X Window System desktop environments - Wikipedia, the free encyclopedia: "System resources utilization

Tests with the default installation of Ubuntu show that LXDE 0.5's memory utilization is lower than that of Xfce 4.6, which in turn is lower than that of GNOME 2.29, with KDE 4.4 using the most RAM compared to the aforementioned desktops.[14]"

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