vs
3.5Display2.5
4.9Health tracking4.9
Dimensions
Size comparison
Watch 4000TechLife Watch S100
| Watch 4000 | TechLife Watch S100 | Difference | |
|---|---|---|---|
| Case size | 46 mm | 25.1 mm | +20.9 mm |
| Thickness | 11 mm | 11.6 mm | −0.6 mm |
| Weight | 39 g | 34 g | +5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4000 better than TechLife Watch S100?
- Built-in GPSYes · TechLife Watch S100: No
- Battery capacity300 mAh vs 260 mAh+15%
- Thickness11 mm vs 11.6 mm+5%
Why is TechLife Watch S100 better than Watch 4000?
- Weight39 g vs 34 g+15%
- Screen size1.65″ vs 1.69″+2%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 36 mm |
| Weight | 39 g | 34 g |
| Thickness | 11 mm | 11.6 mm |
| Height | — | 35.8 mm |
| Width | — | 25.1 mm |
| Case material | Stainless steel | Plastic / polymer |
| Strap material | Kunststoff | — |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Black | Black, Gray, Blue |
| Display | ||
| Screen size | 1.65″ | 1.69″ |
| Display technology | LCD | LCD |
| Panel | LCD | IPS LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | — | 240 px |
| Resolution (height) | — | 280 px |
| Pixel density | — | 218 ppi |
| Peak brightness | — | 530 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | — |
| Battery capacity | 300 mAh | 260 mAh |
| Battery type | Li-Po | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2, accelerometer | Accelerometer, heart rate, SpO2, thermometer (body temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Satellite systems | GPS | — |
| Connectivity | ||
| NFC payments | — | No |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 5.3 | 5.1 |
| Smart features | ||
| Speaker | — | No |
| Voice assistant | Yes | — |
| Platform | ||
| Operating system | — | Proprietary OS |
| Platform | — | Proprietary |
| Works with | iOS, Android | — |









