Physical Dimensions & Thickness: The Anbernic RG353V has a vertical (game boy style) chassis measuring 83 × 126 × 21 mm, while the AYN Odin 2 Mini uses a horizontal bar chassis measuring 198 × 85.8 × 19.5 mm. In width, the Anbernic RG353V is 115 mm (58.1%) narrower than the AYN Odin 2 Mini. In height, the Anbernic RG353V is 40.2 mm (46.9%) taller than the AYN Odin 2 Mini. In chassis thickness (depth), the Anbernic RG353V is 1.5 mm (7.7%) thicker than the AYN Odin 2 Mini (21 mm vs 19.5 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG353V occupies 10,458 mm² (104.6 cm²), compared to 16,988 mm² (169.9 cm²) for the AYN Odin 2 Mini—a footprint difference of 6,530 mm² (38.4%). On the scale, the Anbernic RG353V weighs 180g versus 320g for the AYN Odin 2 Mini, representing a 140g (43.8%) weight difference (Anbernic RG353V is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the Anbernic RG353V's 3.5" (4:3) panel yields a 3.5" effective diagonal (100% full screen without black bars (native 4:3)), while the AYN Odin 2 Mini's 5" (16:9) panel yields a 4.09" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). This gives the AYN Odin 2 Mini a 0.59" larger active 4:3 diagonal (36.2% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Anbernic RG353V delivers a 3.21" effective diagonal (75% screen usage) versus 5" (100% screen usage) on the AYN Odin 2 Mini, making the AYN Odin 2 Mini larger by 1.79" (+142.2% active 16:9 area).