vs
6.1Display7.5
5.0Health tracking5.0
4.9Smart features6.5
Dimensions
Size comparison
Redmi Watch 2Watch S1 Active
| Redmi Watch 2 | Watch S1 Active | Difference | |
|---|---|---|---|
| Height | 39.1 mm | 46.5 mm | −7.4 mm |
| Width | 34.4 mm | 47.3 mm | −12.9 mm |
| Thickness | 10 mm | 11 mm | −1 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Redmi Watch 2 better than Watch S1 Active?
- Screen size1.6″ vs 1.43″+12%
- Thickness10 mm vs 11 mm+10%
Why is Watch S1 Active better than Redmi Watch 2?
- Battery capacity225 mAh vs 470 mAh2.1×
- SpeakerNo · Redmi Watch 2: Yes
- Resolution (width)320 px vs 466 px+46%
- Pixel density301 ppi vs 326 ppi+8%
Specifications
Side by side
| Design & durability | ||
| Case size | 39 mm | 46 mm |
| Weight | 31 g | — |
| Thickness | 10 mm | 11 mm |
| Height | 39.1 mm | 46.5 mm |
| Width | 34.4 mm | 47.3 mm |
| Case material | Plastic / polymer | Aluminium |
| Water resistance | 5 ATM | 5 ATM |
| Colours | Black, Blue, Ivory | Moon White, Space Black, Ocean Blue |
| Display | ||
| Screen size | 1.6″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 320 px | 466 px |
| Resolution (height) | 360 px | 466 px |
| Pixel density | 301 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 225 mAh | 470 mAh |
| Battery type | Li-Ion | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, compass, SpO2 | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary OS | Proprietary OS |
| Platform | Proprietary | Proprietary |
