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

The Retroid Pocket Flip 2 is 14.5 mm narrower, 17.5 mm taller, 11 mm thicker, 130 g heavier than the HardKernel Odroid Go Advance, with a front footprint about 13% larger. Screens: 5.5″ vs 3.5″.