vs
4.6Display3.6
5.0Health tracking5.0
3.9Smart features5.1
5.0Build & durability4.8
Dimensions
Size comparison
Watch S2Redmi Watch 3 Active
| Watch S2 | Redmi Watch 3 Active | Difference | |
|---|---|---|---|
| Height | 46.5 mm | 46.9 mm | −0.4 mm |
| Width | 46.5 mm | 38.9 mm | +7.6 mm |
| Thickness | 11 mm | 10.9 mm | +0.1 mm |
| Weight | 41 g | 42 g | −1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch S2 better than Redmi Watch 3 Active?
- Built-in GPSYes · Redmi Watch 3 Active: No
- AMOLED / OLED displayYes · Redmi Watch 3 Active: No
- Peak brightness600 nits vs 450 nits+33%
- Resolution (width)466 px vs 240 px+94%
- Weight41 g vs 42 g+2%
- Pixel density326 ppi vs 202 ppi+61%
- Battery capacity380 mAh vs 289 mAh+31%
Why is Redmi Watch 3 Active better than Watch S2?
- NFC paymentsNo · Watch S2: Yes
- Screen size1.43″ vs 1.83″+28%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 47 mm |
| Weight | 41 g | 42 g |
| Thickness | 11 mm | 10.9 mm |
| Height | 46.5 mm | 46.9 mm |
| Width | 46.5 mm | 38.9 mm |
| Case material | — | Plastic / polymer |
| Lens / cover glass | Scratch-resistant glass | Gorilla Glas |
| Strap material | — | Polyurethan |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Gray, Silver | Black, Gray |
| Display | ||
| Screen size | 1.43″ | 1.83″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | IPS LCD |
| AMOLED / OLED display | Yes | No |
| Always-on display | — | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 466 px | 240 px |
| Resolution (height) | 466 px | 280 px |
| Pixel density | 326 ppi | 202 ppi |
| Peak brightness | 600 nits | 450 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 12 days |
| Battery capacity | 380 mAh | 289 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | No | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Satellite systems | — | GPS, GLONASS, BDS, QZSS |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Wi-Fi | — | Wi-Fi 1 |
| Bluetooth | — | 5.3 |
| Smart features | ||
| Speaker | Yes | Yes |
| Platform | ||
| Operating system | — | Proprietary OS |
| Platform | — | Proprietary |
| Works with | — | iOS, Android |
