Physical Dimensions & Thickness: The Anbernic RG Cube has a 1:1 square chassis measuring 153 × 86.3 × 18 mm, while the ASUS ROG Ally X uses a horizontal bar chassis measuring 280.2 × 114 × 36.9 mm. In width, the Anbernic RG Cube is 127.2 mm (45.4%) narrower than the ASUS ROG Ally X. In height, the Anbernic RG Cube is 27.7 mm (24.3%) shorter than the ASUS ROG Ally X. In chassis thickness (depth), the Anbernic RG Cube is 18.9 mm (51.2%) slimmer than the ASUS ROG Ally X (18 mm vs 36.9 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG Cube occupies 13,204 mm² (132 cm²), compared to 31,943 mm² (319.4 cm²) for the ASUS ROG Ally X—a footprint difference of 18,739 mm² (58.7%). On the scale, the Anbernic RG Cube weighs 256g versus 678g for the ASUS ROG Ally X, representing a 422g (62.2%) 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 ASUS ROG Ally X's 7" (16:9) panel yields a 5.72" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). This gives the ASUS ROG Ally X a 2.23" larger active 4:3 diagonal (168.4% 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 7" (100% screen usage) on the ASUS ROG Ally X, making the ASUS ROG Ally X larger by 3.8" (+377.1% active 16:9 area).
