Physical Dimensions & Thickness: The Retroid Pocket 5 has a horizontal bar chassis measuring 199.2 × 78.5 × 15.6 mm, while the Retroid Pocket 6 uses a horizontal bar chassis measuring 205.5 × 80.5 × 17.2 mm. In width, the Retroid Pocket 5 is 6.3 mm (3.1%) narrower than the Retroid Pocket 6. In height, the Retroid Pocket 5 is 2 mm (2.5%) shorter than the Retroid Pocket 6. In chassis thickness (depth), the Retroid Pocket 5 is 1.6 mm (9.3%) slimmer than the Retroid Pocket 6 (15.6 mm vs 17.2 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Retroid Pocket 5 occupies 15,637 mm² (156.4 cm²), compared to 16,543 mm² (165.4 cm²) for the Retroid Pocket 6—a footprint difference of 906 mm² (5.5%). On the scale, the Retroid Pocket 5 weighs 280g versus 200g for the Retroid Pocket 6, representing a 80g (40%) weight difference (Retroid Pocket 6 is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), 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)), while the Retroid Pocket 6'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)). Both devices provide the exact same viewable 4:3 image size. For 16:9 widescreen content (PSP, Switch, streaming), the Retroid Pocket 5 delivers a 5.5" effective diagonal (100% screen usage) versus 5.5" (100% screen usage) on the Retroid Pocket 6.