Dimensions
Size comparison
Watch SMi Watch
| Watch S | Mi Watch | Difference | |
|---|---|---|---|
| Height | 47 mm | 53.3 mm | −6.3 mm |
| Width | 47 mm | 45.9 mm | +1.1 mm |
| Thickness | 12 mm | 11.8 mm | +0.2 mm |
| Weight | 48 g | 32 g | +16 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch S better than Mi Watch?
Watch S has no measurable advantages in this pair.
Why is Mi Watch better than Watch S?
- Built-in GPSNo · Watch S: Yes
- AMOLED / OLED displayNo · Watch S: Yes
- NFC paymentsNo · Watch S: Yes
- Weight48 g vs 32 g+50%
- SpeakerNo · Watch S: Yes
- Screen size1.3″ vs 1.39″+7%
- Resolution (width)360 px vs 454 px+26%
- Pixel density278 ppi vs 326 ppi+17%
- Battery capacity390 mAh vs 420 mAh+8%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 53 mm |
| Weight | 48 g | 32 g |
| Thickness | 12 mm | 11.8 mm |
| Height | 47 mm | 53.3 mm |
| Width | 47 mm | 45.9 mm |
| Case material | Aluminium | — |
| Lens / cover glass | Corning Gorilla Glass | — |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Silver | Elegant Black, Fashion Silver, Navy Blue, Beige |
| Display | ||
| Screen size | 1.3″ | 1.39″ |
| Display technology | LCD | AMOLED |
| Panel | IPS LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 360 px | 454 px |
| Resolution (height) | 360 px | 454 px |
| Pixel density | 278 ppi | 326 ppi |
| Peak brightness | — | 450 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 390 mAh | 420 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | — | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, gyro, heart rate, barometer, compass, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Satellite systems | — | GLONASS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 5 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
