Physical Dimensions & Thickness: The Anbernic RG35XX H has a horizontal bar chassis measuring 145 × 69 × 16 mm, while the Retroid Pocket 4 Pro uses a horizontal bar chassis measuring 184.8 × 82.6 × 15.8 mm. In width, the Anbernic RG35XX H is 39.8 mm (21.5%) narrower than the Retroid Pocket 4 Pro. In height, the Anbernic RG35XX H is 13.6 mm (16.5%) shorter than the Retroid Pocket 4 Pro. In chassis thickness (depth), the Anbernic RG35XX H is 0.2 mm (1.3%) thicker than the Retroid Pocket 4 Pro (16 mm vs 15.8 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG35XX H occupies 10,005 mm² (100.1 cm²), compared to 15,264 mm² (152.6 cm²) for the Retroid Pocket 4 Pro—a footprint difference of 5,259 mm² (34.5%). On the scale, the Anbernic RG35XX H weighs 180g versus 261g for the Retroid Pocket 4 Pro, representing a 81g (31%) 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 Retroid Pocket 4 Pro's 4.7" (16:9) panel yields a 3.84" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). This gives the Retroid Pocket 4 Pro a 0.34" larger active 4:3 diagonal (20.4% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Anbernic RG35XX H delivers a 3.21" effective diagonal (75% screen usage) versus 4.7" (100% screen usage) on the Retroid Pocket 4 Pro, making the Retroid Pocket 4 Pro larger by 1.49" (+114.1% active 16:9 area).
