vs
8.6Display5.7
9.2Health tracking9.5
4.9Smart features5.9
Dimensions
Size comparison
Watch DWatch S1 Pro
| Watch D | Watch S1 Pro | Difference | |
|---|---|---|---|
| Height | 51 mm | 46 mm | +5 mm |
| Width | 38 mm | 46 mm | −8 mm |
| Thickness | 13.6 mm | 11.3 mm | +2.3 mm |
| Weight | 41 g | 48 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch D better than Watch S1 Pro?
- Weight40.9 g vs 48.5 g+19%
- Screen size1.64″ vs 1.47″+12%
Why is Watch S1 Pro better than Watch D?
- SpeakerNo · Watch D: Yes
- Resolution (width)280 px vs 480 px+71%
- Pixel density326 ppi vs 462 ppi+42%
- Thickness13.6 mm vs 11.3 mm+20%
- Battery capacity451 mAh vs 500 mAh+11%
Specifications
Side by side
| Design & durability | ||
| Case size | 51 mm | 46 mm |
| Weight | 40.9 g | 48.5 g |
| Thickness | 13.6 mm | 11.3 mm |
| Height | 51 mm | 46 mm |
| Width | 38 mm | 46 mm |
| Case material | Aluminium | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Saphirglas |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Water rating (maker) | — | 50 m / 5 ATM |
| Colours | Graphite Black | Black, Silver |
| Display | ||
| Screen size | 1.64″ | 1.47″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 280 px | 480 px |
| Resolution (height) | 456 px | 480 px |
| Pixel density | 326 ppi | 462 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 14 days |
| Battery capacity | 451 mAh | 500 mAh |
| Battery type | Li-Ion | Li-Po |
| Wireless charging | Yes | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.1 | 5.2 |
| Smart features | ||
| Speaker | No | Yes |
| Voice assistant | — | Yes |
| Storage | 4 GB | — |
| Platform | ||
| Operating system | HarmonyOS 2.1 | MIUI Watch OS |
| Platform | HarmonyOS | Proprietary |
| Works with | — | iOS, Android |
