Compare Anbernic RG28XX (125×56.5×16.5 mm, 2.83" 4:3) 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.
Anbernic RG28XX
Panel 4:3 with native resolution 640x480.
AYN Odin 3
Panel 16:9 with native resolution 1920x1080.
Physical Dimensions & Thickness: The Anbernic RG28XX has a horizontal bar chassis measuring 125 × 56.5 × 16.5 mm, while the AYN Odin 3 uses a horizontal bar chassis measuring 224.8 × 87.5 × 16.6 mm. In width, the Anbernic RG28XX is 99.8 mm (44.4%) narrower than the AYN Odin 3. In height, the Anbernic RG28XX is 31 mm (35.4%) shorter than the AYN Odin 3. In chassis thickness (depth), the Anbernic RG28XX is 0.1 mm (0.6%) slimmer than the AYN Odin 3 (16.5 mm vs 16.6 mm).
Footprint Area & Weight: Calculating surface footprint (width × height), the Anbernic RG28XX occupies 7,063 mm² (70.6 cm²), compared to 19,670 mm² (196.7 cm²) for the AYN Odin 3—a footprint difference of 12,607 mm² (64.1%). On the scale, the Anbernic RG28XX weighs 123g versus 390g for the AYN Odin 3, representing a 267g (68.5%) weight difference (Anbernic RG28XX is lighter).
4:3 vs 16:9 Effective Viewable Screen Size: For classic 4:3 retro games (PS1, SNES, N64, Dreamcast), the Anbernic RG28XX's 2.83" (4:3) panel yields a 2.83" effective diagonal (100% full screen without black bars (native 4:3)), 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 AYN Odin 3 a 2.07" larger active 4:3 diagonal (200.1% more active display area). For 16:9 widescreen content (PSP, Switch, streaming), the Anbernic RG28XX delivers a 2.6" effective diagonal (75% screen usage) versus 6" (100% screen usage) on the AYN Odin 3, making the AYN Odin 3 larger by 3.4" (+433.5% active 16:9 area).
| Specification | Anbernic RG28XX | AYN Odin 3 | Difference / Comparison |
|---|---|---|---|
| Dimensions (W × H × D) | 125 × 56.5 × 16.5 mm | 224.8 × 87.5 × 16.6 mm | Anbernic RG28XX is 64.3% smaller by volume |
| Width | 125 mm | 224.8 mm | 99.8 mm (44.4% vs Odin 3) |
| Height | 56.5 mm | 87.5 mm | 31 mm (35.4% vs Odin 3) |
| Thickness (Depth) | 16.5 mm | 16.6 mm | 0.1 mm (0.6% vs Odin 3) |
| Footprint Area (W × H) | 7,063 mm² (70.6 cm²) | 19,670 mm² (196.7 cm²) | 12,607 mm² (64.1% diff) |
| Chassis Volume | 116.5 cm³ | 326.5 cm³ | 210 cm³ (64.3% diff) |
| Weight | 123 g | 390 g | 267 g (68.5% diff) |
| Form Factor | Horizontal Bar | Horizontal Bar | Both Horizontal Bar |
| Native Screen Diagonal | 2.83" | 6" | 3.17" (112% larger on Odin 3) |
| Native Aspect Ratio | 4:3 | 16:9 | 4:3 vs 16:9 |
| Display Technology | IPS | AMOLED | IPS vs AMOLED |
| Native Resolution & Density | 640x480 (283 PPI) | 1920x1080 (367 PPI) | 84 PPI sharper on Odin 3 |
| Effective 4:3 Screen Size (PS1, SNES, N64) | 2.83" (100% native, no bars) | 4.9" (75% area, pillarbox) | +2.07" (+200.1% area) on Odin 3 |
| Effective 16:9 Screen Size (PSP, Streaming) | 2.6" (75% area, letterbox) | 6" (100% native, no bars) | +3.4" (+433.5% area) on Odin 3 |
| Effective 3:2 Screen Size (Game Boy Advance) | 2.72" (89% area, letterbox) | 5.3" (84% area, pillarbox) | +2.58" (+279.8% area) on Odin 3 |
| Processor (SoC / CPU) | Allwinner H700 | Qualcomm Dragonwing Q8 (Snapdragon 8 Elite) | Different architecture |
| Memory (RAM) | 1 GB LPDDR4 | 8 / 12 / 16 / 24 GB LPDDR5X | 1 GB LPDDR4 vs 8 / 12 / 16 / 24 GB LPDDR5X |
| Battery Capacity | 3,100 mAh | 8,000 mAh | 4,900 mAh larger on Odin 3 |
| Operating System | Linux | Android 15 | Linux vs Android 15 |
The Anbernic RG28XX measures 125 × 56.5 × 16.5 mm (footprint: 7,063 mm² / 70.6 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 Anbernic RG28XX is 99.8 mm (44.4%) narrower, 31 mm (35.4%) shorter, 0.1 mm (0.6%) slimmer, and 12,607 mm² (64.1%) smaller in footprint area. In weight, the Anbernic RG28XX is 267g (68.5%) lighter (123g vs 390g).
The AYN Odin 3 delivers a larger active 4:3 image by 2.07" diagonal (200.1% more active display area) than the Anbernic RG28XX. Specifically, the Anbernic RG28XX has a 2.83" 4:3 IPS screen (640x480) that yields a 2.83" effective 4:3 diagonal (100% full screen without black bars (native 4:3)). 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 AYN Odin 3 provides a larger viewable image at 6" effective diagonal compared to 2.6" on the Anbernic RG28XX (+3.4", or 433.5% more active widescreen area). On 16:9 content, the Anbernic RG28XX operates at 75% active screen area with horizontal letterbox bars on top and bottom (native 4:3), while the AYN Odin 3 operates at 100% full screen without black bars (native 16:9).
Yes, the Anbernic RG28XX is more compact and pocketable than the AYN Odin 3, with a smaller overall chassis volume (116.5 cm³ vs 326.5 cm³). The Anbernic RG28XX uses a horizontal bar form factor (125 mm wide × 16.5 mm thick, 123g), whereas the AYN Odin 3 uses a horizontal bar form factor (224.8 mm wide × 16.6 mm thick, 390g). Overall, the Anbernic RG28XX is easier to carry in a pocket due to its slimmer 16.5 mm profile and smaller physical footprint.
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