Hardware:
Raspberry Pi 3
Sandisk Ultra 320x USH-1 Class 10 Flash
Screen resolution: 1680x1050
Free memory ( ram ) available when no applications was running:
Raspbian: 586MB
Ubuntu MATE: 458MB
Ubuntu MATE (Ubuntu 16-04) - updated 2016-05-10
Raspbian Jessey (2016-03-19) - updated 2016-05-10
I have tested the latest Raspbian version (Raspbian Jessey 2016-05-10), and found no obvious speed difference compared to the 2016-03-19 version.
