vs
8.6Display3.4
9.2Health tracking5.0
4.9Smart features3.9
Why is Watch D better than Smart Watch 1?
- Built-in GPSYes · Smart Watch 1: No
- AMOLED / OLED displayYes · Smart Watch 1: No
- NFC paymentsYes · Smart Watch 1: No
- Battery capacity451 mAh vs 200 mAh2.3×
- Pixel density326 ppi vs 216 ppi+51%
- Resolution (width)280 px vs 240 px+17%
- Water resistance (IPx)IPx8 vs IPx7+14%
Why is Smart Watch 1 better than Watch D?
- SpeakerNo · Watch D: Yes
- Screen size1.64″ vs 1.72″+5%
Specifications
Side by side
| Design & durability | ||
| Case size | 51 mm | — |
| Weight | 40.9 g | — |
| Thickness | 13.6 mm | — |
| Height | 51 mm | — |
| Width | 38 mm | — |
| Case material | Aluminium | Plastic / polymer |
| Ingress protection | IP68 | IP67 |
| Water resistance (IPx) | IPx8 | IPx7 |
| Colours | Graphite Black | Black |
| Display | ||
| Screen size | 1.64″ | 1.72″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | IPS LCD |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 280 px | 240 px |
| Resolution (height) | 456 px | 283 px |
| Pixel density | 326 ppi | 216 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 451 mAh | 200 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Connectivity | ||
| NFC payments | Yes | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5.1 | 5 |
| Smart features | ||
| Speaker | No | Yes |
| Storage | 4 GB | — |
| Platform | ||
| Operating system | HarmonyOS 2.1 | Proprietary OS |
| Platform | HarmonyOS | Proprietary |









