Intel Graphics On Ubuntu: GNOME vs. KDE vs. Xfce vs. Unity vs. LXDE

For those wondering how the Intel (U)HD Graphics compare for games and other graphical benchmarks between desktop environments in 2018, here are some fresh benchmarks using GNOME Shell on X.Org/Wayland, KDE Plasma 5, Xfce, Unity 7, and LXDE.