Physical Dimensions & Thickness: The Anbernic RG Cube has a 1:1 square chassis measuring 153 × 86.3 × 18 mm, while the Anbernic RG35XX H uses a horizontal bar chassis measuring 145 × 69 × 16 mm. In width, the Anbernic RG Cube is 8 mm (5.5%) wider than the Anbernic RG35XX H. In height, the Anbernic RG Cube is 17.3 mm (25.1%) taller than the Anbernic RG35XX H. In chassis thickness (depth), the Anbernic RG Cube is 2 mm (12.5%) thicker than the Anbernic RG35XX H (18 mm vs 16 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG Cube occupies 13,204 mm² (132 cm²), compared to 10,005 mm² (100.1 cm²) for the Anbernic RG35XX H—a footprint difference of 3,199 mm² (32%). On the scale, the Anbernic RG Cube weighs 256g versus 180g for the Anbernic RG35XX H, representing a 76g (42.2%) weight difference (Anbernic RG35XX H 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 Anbernic RG35XX H's 3.5" (4:3) panel yields a 3.5" effective diagonal (100% full screen without black bars (native 4:3)). This gives the Anbernic RG35XX H a 0.01" larger active 4:3 diagonal (0.5% 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 3.21" (75% screen usage) on the Anbernic RG35XX H, making the Anbernic RG35XX H larger by 0.01" (+0.5% active 16:9 area).