When comparing XGnome Enhanced vs adapta-gtk-theme, the Slant community recommends adapta-gtk-theme for most people. In the question“What are the best Gnome Shell themes?” adapta-gtk-theme is ranked 2nd while XGnome Enhanced is ranked 7th.
Ranked in these QuestionsQuestion Ranking
Pro Supports many versions of Gnome Shell
XGnome Enhanced supports Gnome Shell versions going all the way back to Gnome Shell 3.6.
Pro Offers PPA for easy install on Ubuntu
There is an optional PPA for easy install on Ubuntu.
sudo add-apt-repository ppa:noobslab/themes && sudo apt-get update && sudo apt-get install xgnome-enhanced-gs
Pro Designed to be modern and minimal
The XGnome Enhanced theme is deigned to be modern and minimal. It is a very dark theme with clean lines.
Pro Follows the material design guidelines
Not only looks good, but really accelerates work on desktop.
Pro Easy installation on Ubuntu
sudo add-apt-repository ppa:tista/adapta
sudo apt-get update
sudo apt-get install adapta-gtk-theme
Pro Most complete theme
It styles every nook and cranny of the OS UI, even the ugly Java apps look beautiful using this theme.
Pro Real dark theme
Con PPA does not work
For example, you'd get errors like "Unable to locate package xgnome-enhanced-gs."