Physical Dimensions & Thickness: The Retroid Pocket 5 has a horizontal bar chassis measuring 199.2 × 78.5 × 15.6 mm, while the TrimUI Brick uses a vertical (game boy style) chassis measuring 73.2 × 109.9 × 11.8 mm. In width, the Retroid Pocket 5 is 126 mm (172.1%) wider than the TrimUI Brick. In height, the Retroid Pocket 5 is 31.4 mm (28.6%) shorter than the TrimUI Brick. In chassis thickness (depth), the Retroid Pocket 5 is 3.8 mm (32.2%) thicker than the TrimUI Brick (15.6 mm vs 11.8 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Retroid Pocket 5 occupies 15,637 mm² (156.4 cm²), compared to 8,045 mm² (80.5 cm²) for the TrimUI Brick—a footprint difference of 7,592 mm² (94.4%). On the scale, the Retroid Pocket 5 weighs 280g versus 159g for the TrimUI Brick, representing a 121g (76.1%) weight difference (TrimUI Brick is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the Retroid Pocket 5'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 Brick's 3.2" (4:3) panel yields a 3.2" effective diagonal (100% full screen without black bars (native 4:3)). This gives the Retroid Pocket 5 a 1.29" larger active 4:3 diagonal (97.2% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Retroid Pocket 5 delivers a 5.5" effective diagonal (100% screen usage) versus 2.94" (75% screen usage) on the TrimUI Brick, making the Retroid Pocket 5 larger by 2.56" (+250.7% active 16:9 area).