Physical Dimensions & Thickness: The Anbernic RG406V has a vertical (game boy style) chassis measuring 105 × 145 × 29 mm, while the AYN Odin 2 Mini uses a horizontal bar chassis measuring 198 × 85.8 × 19.5 mm. In width, the Anbernic RG406V is 93 mm (47%) narrower than the AYN Odin 2 Mini. In height, the Anbernic RG406V is 59.2 mm (69%) taller than the AYN Odin 2 Mini. In chassis thickness (depth), the Anbernic RG406V is 9.5 mm (48.7%) thicker than the AYN Odin 2 Mini (29 mm vs 19.5 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG406V occupies 15,225 mm² (152.3 cm²), compared to 16,988 mm² (169.9 cm²) for the AYN Odin 2 Mini—a footprint difference of 1,763 mm² (10.4%). On the scale, the Anbernic RG406V weighs 289g versus 320g for the AYN Odin 2 Mini, representing a 31g (9.7%) weight difference (Anbernic RG406V is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the Anbernic RG406V's 4" (4:3) panel yields a 4" 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 0.09" larger active 4:3 diagonal (4.3% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Anbernic RG406V delivers a 3.67" effective diagonal (75% screen usage) versus 5" (100% screen usage) on the AYN Odin 2 Mini, making the AYN Odin 2 Mini larger by 1.33" (+85.5% active 16:9 area).