Physical Dimensions & Thickness: The Miyoo Mini Plus has a vertical (game boy style) chassis measuring 78.5 × 108 × 22.3 mm, while the TrimUI Brick uses a vertical (game boy style) chassis measuring 73.2 × 109.9 × 11.8 mm. In width, the Miyoo Mini Plus is 5.3 mm (7.2%) wider than the TrimUI Brick. In height, the Miyoo Mini Plus is 1.9 mm (1.7%) shorter than the TrimUI Brick. In chassis thickness (depth), the Miyoo Mini Plus is 10.5 mm (89%) thicker than the TrimUI Brick (22.3 mm vs 11.8 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Miyoo Mini Plus occupies 8,478 mm² (84.8 cm²), compared to 8,045 mm² (80.5 cm²) for the TrimUI Brick—a footprint difference of 433 mm² (5.4%). On the scale, the Miyoo Mini Plus weighs 162g versus 159g for the TrimUI Brick, representing a 3g (1.9%) 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 Miyoo Mini Plus's 3.5" (4:3) panel yields a 3.5" effective diagonal (100% full screen without black bars (native 4:3)), 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 Miyoo Mini Plus a 0.3" larger active 4:3 diagonal (19.6% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Miyoo Mini Plus delivers a 3.21" effective diagonal (75% screen usage) versus 2.94" (75% screen usage) on the TrimUI Brick, making the Miyoo Mini Plus larger by 0.27" (+19.6% active 16:9 area).