Physical Dimensions & Thickness: The Retroid Pocket 6 has a horizontal bar chassis measuring 205.5 × 80.5 × 17.2 mm, while the TrimUI Smart Pro uses a horizontal bar chassis measuring 188 × 80 × 17 mm. In width, the Retroid Pocket 6 is 17.5 mm (9.3%) wider than the TrimUI Smart Pro. In height, the Retroid Pocket 6 is 0.5 mm (0.6%) taller than the TrimUI Smart Pro. In chassis thickness (depth), the Retroid Pocket 6 is 0.2 mm (1.2%) thicker than the TrimUI Smart Pro (17.2 mm vs 17 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Retroid Pocket 6 occupies 16,543 mm² (165.4 cm²), compared to 15,040 mm² (150.4 cm²) for the TrimUI Smart Pro—a footprint difference of 1,503 mm² (10%). On the scale, the Retroid Pocket 6 weighs 200g versus 231g for the TrimUI Smart Pro, representing a 31g (13.4%) 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 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)), 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 Retroid Pocket 6 a 0.44" larger active 4:3 diagonal (22.9% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Retroid Pocket 6 delivers a 5.5" effective diagonal (100% screen usage) versus 4.96" (100% screen usage) on the TrimUI Smart Pro, making the Retroid Pocket 6 larger by 0.54" (+23% active 16:9 area).