HardKernel Odroid Go Advance vs Retroid Pocket Flip: size comparison

The Retroid Pocket Flip is 16 mm narrower, 10 mm taller, 5.4 mm thicker, 100 g heavier than the HardKernel Odroid Go Advance, with a front footprint about 2% larger. Screens: 4.7″ vs 3.5″.