Physical Dimensions & Thickness: The AYN Odin 2 has a horizontal bar chassis measuring 225 × 98 × 17 mm, while the Retroid Pocket 5 uses a horizontal bar chassis measuring 199.2 × 78.5 × 15.6 mm. In width, the AYN Odin 2 is 25.8 mm (13%) wider than the Retroid Pocket 5. In height, the AYN Odin 2 is 19.5 mm (24.8%) taller than the Retroid Pocket 5. In chassis thickness (depth), the AYN Odin 2 is 1.4 mm (9%) thicker than the Retroid Pocket 5 (17 mm vs 15.6 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the AYN Odin 2 occupies 22,050 mm² (220.5 cm²), compared to 15,637 mm² (156.4 cm²) for the Retroid Pocket 5—a footprint difference of 6,413 mm² (41%). On the scale, the AYN Odin 2 weighs 420g versus 280g for the Retroid Pocket 5, representing a 140g (50%) weight difference (Retroid Pocket 5 is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the AYN Odin 2'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 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)). This gives the AYN Odin 2 a 0.41" larger active 4:3 diagonal (19% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the AYN Odin 2 delivers a 6" effective diagonal (100% screen usage) versus 5.5" (100% screen usage) on the Retroid Pocket 5, making the AYN Odin 2 larger by 0.5" (+19% active 16:9 area).