Raspberry Pi B+, Raspbian Stretch lite + MATE desktop.
Install Raspbian lite is as u install arch linux: everything is just enough to use, simple but effective. Lets talk about Raspberry Pi B+: just CPU 1 core, 512MB RAM, so slow comparing to pi 2 and pi 3 Let's update raspbian to the lastest version: sudo apt-get update sudo apt-get upgrade Next we are installing xserver and xinit : sudo apt-get install --no-install-recomends xserver-xorg sudo apt-get install --no-install-recomends xinit Next we install MATE desktop: sudo apt-get install mate-desktop-environment-core Last we install login manager: sudo apt-get install lightdm Here are the pictures of MATE desktop running on Raspberry Pi B+: Below is htop running showing CPU, memory of Pi: