Miyoo / Bittboy Miyoo Mini
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The Miyoo Mini is a vertical retro gaming handheld released in 2021 by Miyoo / Bittboy. It is built around the SigmaStar SSD202D with 128 MB DDR3, has a 2.8 inch IPS 640 x 480, display, and uses a 2000 mAh (Swappable) battery. Its documented emulation ceiling is PS1 full speed, placing it in the budget tier for retro game emulation.
How far can it go?
Runs everything up to PlayStation 1 at full speed, and pushes as far as Nintendo DS with some compromises.
Realistic ceiling: SNES & PS1 almost all full speed except for slight lag on a few FX chip SNES games and 3D PS1 games
Specifications
| Chip (SoC) | SigmaStar SSD202D |
|---|---|
| CPU | Cortex-A7 |
| GPU | "2D Graphics Accelerator" |
| RAM | 128 MB DDR3 |
| Screen size | 2.8 inch |
| Screen type | IPS |
| Resolution | 640 x 480, |
| PPI | 285.71 PPI, |
| Refresh rate | 60 Hz |
| Aspect ratio | 4:3 |
| Battery | 2000 mAh (Swappable) |
| Cooling | ❌ |
| Storage | External MicroSD |
| Connectivity | ❌ |
| Speakers | Single Mono Front facing |
| Charge port | USB-C |
| Video output | ❌ |
| Audio out | 3.5mm Headphone |
| Dimensions | 65 mm x 93.5 mm x 18 mm |
| Weight | 106 grams |
| Shell | Plastic |
| Colors | White, Retro Gray, Transparent Blue, Transparent Black |
Pros & cons
👍 Pros
- Genuinely pocketable
- Excellent OnionOS experience
- Outstanding price-to-fun ratio
- Great D-pad for 2D systems
👎 Cons
- No analog sticks
- Practical ceiling around PS1
- No WiFi on the original Mini
- Small screen and short battery for long sessions
Firmware & OS
Operating systems and custom firmware this device can run — the best pick depends on what you want (easy setup, performance, battery, or game ecosystem):
Compare prices & buy
from $52
$52
Often sold by: Aliexpress · KeepRetro.com · Amazon · GeekBuying
Notes
Screen Resolution of Miyoo Mini v4 is 750 x 560. Highest stable OC of the CPU is 1600 MHz.