Game Kiddy GKD Bubble vs TinyCircuits Thumby: size comparison

The Game Kiddy GKD Bubble is 148.8 mm wider, 52.5 mm taller, 15.5 mm thicker, 222 g heavier than the TinyCircuits Thumby, with a front footprint about 2476% larger. Screens: 3.5″ vs 0.42″.