vs
9.4Display7.5
9.2Health tracking5.0
8.0Sports & outdoor4.7
9.0Smart features5.9
3.5Build & durability4.7
Dimensions
Size comparison
Watch 4 ProWatch S1
| Watch 4 Pro | Watch S1 | Difference | |
|---|---|---|---|
| Height | 50.1 mm | 46.5 mm | +3.6 mm |
| Width | 38.3 mm | 46.5 mm | −8.2 mm |
| Thickness | 12.9 mm | 11 mm | +1.9 mm |
| Weight | 52 g | 53 g | −1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 Pro better than Watch S1?
- LTE (cellular)Yes · Watch S1: No
- Screen size1.91″ vs 1.43″+34%
- eSIMYes · Watch S1: No
- Battery capacity570 mAh vs 470 mAh+21%
Why is Watch S1 better than Watch 4 Pro?
- Resolution (width)378 px vs 466 px+23%
- Thickness12.9 mm vs 11 mm+17%
Specifications
Side by side
| Design & durability | ||
| Case size | 50 mm | 46 mm |
| Weight | 52.3 g | 53 g |
| Thickness | 12.9 mm | 11 mm |
| Height | 50.1 mm | 46.5 mm |
| Width | 38.3 mm | 46.5 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | — | Yes |
| Water resistance | 5 ATM | 5 ATM |
| Colours | Black, Silver | Black, Silver |
| Display | ||
| Screen size | 1.91″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | LTPO AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 378 px | 466 px |
| Resolution (height) | 496 px | 466 px |
| Pixel density | 327 ppi | 326 ppi |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 570 mAh | 470 mAh |
| Battery type | Li-Ion | Li-Po |
| 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, compass, barometer, SpO2, thermometer (skin temperature) | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 32 GB | — |
| RAM | 2 GB | — |
| Platform | ||
| Operating system | ColorOS Watch 3.0 - China | Proprietary OS |
| Platform | Proprietary | Proprietary |
| Chipset | Qualcomm Snapdragon W5+ Gen 1 | — |
