HardKernel Odroid Go Ultra vs Retroid Pocket Flip 2: size comparison

The HardKernel Odroid Go Ultra is 63.5 mm wider, 3.5 mm shorter, 6 mm thinner, 1 g lighter than the Retroid Pocket Flip 2, with a front footprint about 40% larger. Screens: 5″ vs 5.5″.