Physical Dimensions & Thickness: The Anbernic RG Cube has a 1:1 square chassis measuring 153 × 86.3 × 18 mm, while the Retroid Pocket 4 Pro uses a horizontal bar chassis measuring 184.8 × 82.6 × 15.8 mm. In width, the Anbernic RG Cube is 31.8 mm (17.2%) narrower than the Retroid Pocket 4 Pro. In height, the Anbernic RG Cube is 3.7 mm (4.5%) taller than the Retroid Pocket 4 Pro. In chassis thickness (depth), the Anbernic RG Cube is 2.2 mm (13.9%) thicker than the Retroid Pocket 4 Pro (18 mm vs 15.8 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG Cube occupies 13,204 mm² (132 cm²), compared to 15,264 mm² (152.6 cm²) for the Retroid Pocket 4 Pro—a footprint difference of 2,060 mm² (13.5%). On the scale, the Anbernic RG Cube weighs 256g versus 261g for the Retroid Pocket 4 Pro, representing a 5g (1.9%) weight difference (Anbernic RG Cube is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the Anbernic RG Cube's 3.95" (1:1) panel yields a 3.49" effective diagonal (75% active screen area with horizontal letterbox bars on top and bottom (native 1:1)), while the Retroid Pocket 4 Pro's 4.7" (16:9) panel yields a 3.84" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). This gives the Retroid Pocket 4 Pro a 0.35" larger active 4:3 diagonal (21% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Anbernic RG Cube delivers a 3.2" effective diagonal (56% screen usage) versus 4.7" (100% screen usage) on the Retroid Pocket 4 Pro, making the Retroid Pocket 4 Pro larger by 1.5" (+115.1% active 16:9 area).
