Physical Dimensions & Thickness: The Anbernic RG Cube has a 1:1 square chassis measuring 153 × 86.3 × 18 mm, while the Retroid Pocket 6 uses a horizontal bar chassis measuring 205.5 × 80.5 × 17.2 mm. In width, the Anbernic RG Cube is 52.5 mm (25.5%) narrower than the Retroid Pocket 6. In height, the Anbernic RG Cube is 5.8 mm (7.2%) taller than the Retroid Pocket 6. In chassis thickness (depth), the Anbernic RG Cube is 0.8 mm (4.7%) thicker than the Retroid Pocket 6 (18 mm vs 17.2 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG Cube occupies 13,204 mm² (132 cm²), compared to 16,543 mm² (165.4 cm²) for the Retroid Pocket 6—a footprint difference of 3,339 mm² (20.2%). On the scale, the Anbernic RG Cube weighs 256g versus 200g for the Retroid Pocket 6, representing a 56g (28%) weight difference (Retroid Pocket 6 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 6's 5.5" (16:9) panel yields a 4.49" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). This gives the Retroid Pocket 6 a 1" larger active 4:3 diagonal (65.7% 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 5.5" (100% screen usage) on the Retroid Pocket 6, making the Retroid Pocket 6 larger by 2.3" (+194.6% active 16:9 area).