Physical Dimensions & Thickness: The AYN Odin 3 has a horizontal bar chassis measuring 224.8 × 87.5 × 16.6 mm, while the TrimUI Brick uses a vertical (game boy style) chassis measuring 73.2 × 109.9 × 11.8 mm. In width, the AYN Odin 3 is 151.6 mm (207.1%) wider than the TrimUI Brick. In height, the AYN Odin 3 is 22.4 mm (20.4%) shorter than the TrimUI Brick. In chassis thickness (depth), the AYN Odin 3 is 4.8 mm (40.7%) thicker than the TrimUI Brick (16.6 mm vs 11.8 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the AYN Odin 3 occupies 19,670 mm² (196.7 cm²), compared to 8,045 mm² (80.5 cm²) for the TrimUI Brick—a footprint difference of 11,625 mm² (144.5%). On the scale, the AYN Odin 3 weighs 390g versus 159g for the TrimUI Brick, representing a 231g (145.3%) 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 AYN Odin 3's 6" (16:9) panel yields a 4.9" 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 AYN Odin 3 a 1.7" larger active 4:3 diagonal (134.7% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the AYN Odin 3 delivers a 6" effective diagonal (100% screen usage) versus 2.94" (75% screen usage) on the TrimUI Brick, making the AYN Odin 3 larger by 3.06" (+317.3% active 16:9 area).