Compare ASUS ROG Ally X (280.2×114×36.9 mm, 7" 16:9) vs Miyoo Mini (65×93.5×18 mm, 2.8" 4:3) side-by-side at true 1:1 millimeter scale.
Silhouettes and screens to true relative scale (mm). Inner rectangle represents the physical screen.
ASUS ROG Ally X
Panel 16:9 with native resolution 1920x1080.
Miyoo Mini
Panel 4:3 with native resolution 640x480.
Physical Dimensions & Thickness: The ASUS ROG Ally X has a horizontal bar chassis measuring 280.2 × 114 × 36.9 mm, while the Miyoo Mini uses a vertical (game boy style) chassis measuring 65 × 93.5 × 18 mm. In width, the ASUS ROG Ally X is 215.2 mm (331.1%) wider than the Miyoo Mini. In height, the ASUS ROG Ally X is 20.5 mm (21.9%) taller than the Miyoo Mini. In chassis thickness (depth), the ASUS ROG Ally X is 18.9 mm (105%) thicker than the Miyoo Mini (36.9 mm vs 18 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the ASUS ROG Ally X occupies 31,943 mm² (319.4 cm²), compared to 6,078 mm² (60.8 cm²) for the Miyoo Mini—a footprint difference of 25,865 mm² (425.6%). On the scale, the ASUS ROG Ally X weighs 678g versus 106g for the Miyoo Mini, representing a 572g (539.6%) weight difference (Miyoo Mini is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the ASUS ROG Ally X's 7" (16:9) panel yields a 5.72" effective diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)), while the Miyoo Mini's 2.8" (4:3) panel yields a 2.8" effective diagonal (100% full screen without black bars (native 4:3)). This gives the ASUS ROG Ally X a 2.92" larger active 4:3 diagonal (317.3% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the ASUS ROG Ally X delivers a 7" effective diagonal (100% screen usage) versus 2.57" (75% screen usage) on the Miyoo Mini, making the ASUS ROG Ally X larger by 4.43" (+641.8% active 16:9 area).
| Specification | ASUS ROG Ally X | Miyoo Mini | Difference / Comparison |
|---|---|---|---|
| Dimensions (W × H × D) | 280.2 × 114 × 36.9 mm | 65 × 93.5 × 18 mm | Miyoo Mini is 90.7% smaller by volume |
| Width | 280.2 mm | 65 mm | 215.2 mm (331.1% vs Mini) |
| Height | 114 mm | 93.5 mm | 20.5 mm (21.9% vs Mini) |
| Thickness (Depth) | 36.9 mm | 18 mm | 18.9 mm (105% vs Mini) |
| Footprint Area (W × H) | 31,943 mm² (319.4 cm²) | 6,078 mm² (60.8 cm²) | 25,865 mm² (425.6% diff) |
| Chassis Volume | 1178.7 cm³ | 109.4 cm³ | 1069.3 cm³ (977.4% diff) |
| Weight | 678 g | 106 g | 572 g (539.6% diff) |
| Form Factor | Horizontal Bar | Vertical (Game Boy style) | Horizontal Bar vs Vertical (Game Boy style) |
| Native Screen Diagonal | 7" | 2.8" | 4.2" (150% larger on ROG Ally X) |
| Native Aspect Ratio | 16:9 | 4:3 | 16:9 vs 4:3 |
| Display Technology | IPS | IPS | Both IPS |
| Native Resolution & Density | 1920x1080 (315 PPI) | 640x480 (286 PPI) | 29 PPI sharper on ROG Ally X |
| Effective 4:3 Screen Size (PS1, SNES, N64) | 5.72" (75% area, pillarbox) | 2.8" (100% native, no bars) | +2.92" (+317.3% area) on ROG Ally X |
| Effective 16:9 Screen Size (PSP, Streaming) | 7" (100% native, no bars) | 2.57" (75% area, letterbox) | +4.43" (+641.8% area) on ROG Ally X |
| Effective 3:2 Screen Size (Game Boy Advance) | 6.19" (84% area, pillarbox) | 2.69" (89% area, letterbox) | +3.5" (+428.2% area) on ROG Ally X |
| Processor (SoC / CPU) | AMD Ryzen Z1 Extreme | SigmaStar SSD202D | Different architecture |
| Memory (RAM) | 24 GB LPDDR5X (7500 MT/s) | 128 MB DDR3 | 24 GB LPDDR5X (7500 MT/s) vs 128 MB DDR3 |
| Battery Capacity | 10,390 mAh | 2,000 mAh | 8,390 mAh larger on ROG Ally X |
| Operating System | Windows 11 | Onion OS, MinUI | Windows 11 vs Onion OS, MinUI |
The ASUS ROG Ally X measures 280.2 × 114 × 36.9 mm (footprint: 31,943 mm² / 319.4 cm²), whereas the Miyoo Mini measures 65 × 93.5 × 18 mm (footprint: 6,078 mm² / 60.8 cm²). Compared to the Miyoo Mini, the ASUS ROG Ally X is 215.2 mm (331.1%) wider, 20.5 mm (21.9%) taller, 18.9 mm (105%) thicker, and 25,865 mm² (425.6%) larger in footprint area. In weight, the ASUS ROG Ally X is 572g (539.6%) heavier (678g vs 106g).
The ASUS ROG Ally X delivers a larger active 4:3 image by 2.92" diagonal (317.3% more active display area) than the Miyoo Mini. Specifically, the ASUS ROG Ally X has a 7" 16:9 IPS screen (1920x1080) that yields a 5.72" effective 4:3 diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)). The Miyoo Mini has a 2.8" 4:3 IPS screen (640x480) that yields a 2.8" effective 4:3 diagonal (100% full screen without black bars (native 4:3)).
For 16:9 widescreen gaming (PSP, Switch, and game streaming), the ASUS ROG Ally X provides a larger viewable image at 7" effective diagonal compared to 2.57" on the Miyoo Mini (+4.43", or 641.8% more active widescreen area). On 16:9 content, the ASUS ROG Ally X operates at 100% full screen without black bars (native 16:9), while the Miyoo Mini operates at 75% active screen area with horizontal letterbox bars on top and bottom (native 4:3).
No, the Miyoo Mini is more compact and pocketable than the ASUS ROG Ally X, with a smaller overall chassis volume (109.4 cm³ vs 1178.7 cm³). The ASUS ROG Ally X uses a horizontal bar form factor (280.2 mm wide × 36.9 mm thick, 678g), whereas the Miyoo Mini uses a vertical (game boy style) form factor (65 mm wide × 18 mm thick, 106g). Overall, the Miyoo Mini is easier to carry in a pocket due to its slimmer 18 mm profile and smaller physical footprint.
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