Compare ASUS ROG Ally X (280.2×114×36.9 mm, 7" 16:9) vs AYN Odin 3 (224.8×87.5×16.6 mm, 6" 16:9) 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.
AYN Odin 3
Panel 16:9 with native resolution 1920x1080.
Physical Dimensions & Thickness: The ASUS ROG Ally X has a horizontal bar chassis measuring 280.2 × 114 × 36.9 mm, while the AYN Odin 3 uses a horizontal bar chassis measuring 224.8 × 87.5 × 16.6 mm. In width, the ASUS ROG Ally X is 55.4 mm (24.6%) wider than the AYN Odin 3. In height, the ASUS ROG Ally X is 26.5 mm (30.3%) taller than the AYN Odin 3. In chassis thickness (depth), the ASUS ROG Ally X is 20.3 mm (122.3%) thicker than the AYN Odin 3 (36.9 mm vs 16.6 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the ASUS ROG Ally X occupies 31,943 mm² (319.4 cm²), compared to 19,670 mm² (196.7 cm²) for the AYN Odin 3—a footprint difference of 12,273 mm² (62.4%). On the scale, the ASUS ROG Ally X weighs 678g versus 390g for the AYN Odin 3, representing a 288g (73.8%) weight difference (AYN Odin 3 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 AYN Odin 3'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)). This gives the ASUS ROG Ally X a 0.82" larger active 4:3 diagonal (36.1% 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 6" (100% screen usage) on the AYN Odin 3, making the ASUS ROG Ally X larger by 1" (+36.1% active 16:9 area).
| Specification | ASUS ROG Ally X | AYN Odin 3 | Difference / Comparison |
|---|---|---|---|
| Dimensions (W × H × D) | 280.2 × 114 × 36.9 mm | 224.8 × 87.5 × 16.6 mm | AYN Odin 3 is 72.3% smaller by volume |
| Width | 280.2 mm | 224.8 mm | 55.4 mm (24.6% vs Odin 3) |
| Height | 114 mm | 87.5 mm | 26.5 mm (30.3% vs Odin 3) |
| Thickness (Depth) | 36.9 mm | 16.6 mm | 20.3 mm (122.3% vs Odin 3) |
| Footprint Area (W × H) | 31,943 mm² (319.4 cm²) | 19,670 mm² (196.7 cm²) | 12,273 mm² (62.4% diff) |
| Chassis Volume | 1178.7 cm³ | 326.5 cm³ | 852.2 cm³ (261% diff) |
| Weight | 678 g | 390 g | 288 g (73.8% diff) |
| Form Factor | Horizontal Bar | Horizontal Bar | Both Horizontal Bar |
| Native Screen Diagonal | 7" | 6" | 1" (16.7% larger on ROG Ally X) |
| Native Aspect Ratio | 16:9 | 16:9 | Identical 16:9 ratio |
| Display Technology | IPS | AMOLED | IPS vs AMOLED |
| Native Resolution & Density | 1920x1080 (315 PPI) | 1920x1080 (367 PPI) | 52 PPI sharper on Odin 3 |
| Effective 4:3 Screen Size (PS1, SNES, N64) | 5.72" (75% area, pillarbox) | 4.9" (75% area, pillarbox) | +0.82" (+36.1% area) on ROG Ally X |
| Effective 16:9 Screen Size (PSP, Streaming) | 7" (100% native, no bars) | 6" (100% native, no bars) | +1" (+36.1% area) on ROG Ally X |
| Effective 3:2 Screen Size (Game Boy Advance) | 6.19" (84% area, pillarbox) | 5.3" (84% area, pillarbox) | +0.89" (+36.1% area) on ROG Ally X |
| Processor (SoC / CPU) | AMD Ryzen Z1 Extreme | Qualcomm Dragonwing Q8 (Snapdragon 8 Elite) | Different architecture |
| Memory (RAM) | 24 GB LPDDR5X (7500 MT/s) | 8 / 12 / 16 / 24 GB LPDDR5X | 24 GB LPDDR5X (7500 MT/s) vs 8 / 12 / 16 / 24 GB LPDDR5X |
| Battery Capacity | 10,390 mAh | 8,000 mAh | 2,390 mAh larger on ROG Ally X |
| Operating System | Windows 11 | Android 15 | Windows 11 vs Android 15 |
The ASUS ROG Ally X measures 280.2 × 114 × 36.9 mm (footprint: 31,943 mm² / 319.4 cm²), whereas the AYN Odin 3 measures 224.8 × 87.5 × 16.6 mm (footprint: 19,670 mm² / 196.7 cm²). Compared to the AYN Odin 3, the ASUS ROG Ally X is 55.4 mm (24.6%) wider, 26.5 mm (30.3%) taller, 20.3 mm (122.3%) thicker, and 12,273 mm² (62.4%) larger in footprint area. In weight, the ASUS ROG Ally X is 288g (73.8%) heavier (678g vs 390g).
The ASUS ROG Ally X delivers a larger active 4:3 image by 0.82" diagonal (36.1% more active display area) than the AYN Odin 3. 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 AYN Odin 3 has a 6" 16:9 AMOLED screen (1920x1080) that yields a 4.9" effective 4:3 diagonal (75% active screen area with vertical pillarbox bars on the sides (native 16:9)).
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 6" on the AYN Odin 3 (+1", or 36.1% 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 AYN Odin 3 operates at 100% full screen without black bars (native 16:9).
No, the AYN Odin 3 is more compact and pocketable than the ASUS ROG Ally X, with a smaller overall chassis volume (326.5 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 AYN Odin 3 uses a horizontal bar form factor (224.8 mm wide × 16.6 mm thick, 390g). Overall, the AYN Odin 3 is easier to carry in a pocket due to its slimmer 16.6 mm profile and smaller physical footprint.
Explore how these handhelds compare against other popular emulation models.
