Physical Dimensions & Thickness: The Anbernic RG Cube has a 1:1 square chassis measuring 153 × 86.3 × 18 mm, while the TrimUI Smart Pro uses a horizontal bar chassis measuring 188 × 80 × 17 mm. In width, the Anbernic RG Cube is 35 mm (18.6%) narrower than the TrimUI Smart Pro. In height, the Anbernic RG Cube is 6.3 mm (7.9%) taller than the TrimUI Smart Pro. In chassis thickness (depth), the Anbernic RG Cube is 1 mm (5.9%) thicker than the TrimUI Smart Pro (18 mm vs 17 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG Cube occupies 13,204 mm² (132 cm²), compared to 15,040 mm² (150.4 cm²) for the TrimUI Smart Pro—a footprint difference of 1,836 mm² (12.2%). On the scale, the Anbernic RG Cube weighs 256g versus 231g for the TrimUI Smart Pro, representing a 25g (10.8%) weight difference (TrimUI Smart Pro 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 TrimUI Smart Pro's 4.96" (16:9) panel yields a 4.05" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). This gives the TrimUI Smart Pro a 0.56" larger active 4:3 diagonal (34.8% 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 4.96" (100% screen usage) on the TrimUI Smart Pro, making the TrimUI Smart Pro larger by 1.76" (+139.6% active 16:9 area).