Physical Dimensions & Thickness: The Anbernic RG35XX H has a horizontal bar chassis measuring 145 × 69 × 16 mm, while the Anbernic RG35XXSP uses a clamshell (foldable) chassis measuring 89 × 158 × 27.3 mm. In width, the Anbernic RG35XX H is 56 mm (62.9%) wider than the Anbernic RG35XXSP. In height, the Anbernic RG35XX H is 89 mm (56.3%) shorter than the Anbernic RG35XXSP. In chassis thickness (depth), the Anbernic RG35XX H is 11.3 mm (41.4%) slimmer than the Anbernic RG35XXSP (16 mm vs 27.3 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG35XX H occupies 10,005 mm² (100.1 cm²), compared to 14,062 mm² (140.6 cm²) for the Anbernic RG35XXSP—a footprint difference of 4,057 mm² (28.9%). On the scale, the Anbernic RG35XX H weighs 180g versus 197g for the Anbernic RG35XXSP, representing a 17g (8.6%) weight difference (Anbernic RG35XX H is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the Anbernic RG35XX H's 3.5" (4:3) panel yields a 3.5" effective diagonal (100% full screen without black bars (native 4:3)), while the Anbernic RG35XXSP's 3.5" (4:3) panel yields a 3.5" effective diagonal (100% full screen without black bars (native 4:3)). Both devices provide the exact same viewable 4:3 image size. For 16:9 widescreen content (PSP, Switch, streaming), the Anbernic RG35XX H delivers a 3.21" effective diagonal (75% screen usage) versus 3.21" (75% screen usage) on the Anbernic RG35XXSP.