vs
9.2Health tracking5.0
6.7Build & durability5.5
Why is ScanWatch 2 better than Watch S4 Sport?
ScanWatch 2 has no measurable advantages in this pair.
Why is Watch S4 Sport better than ScanWatch 2?
- Battery capacity190 mAh vs 586 mAh3.1×
Specifications
Side by side
| Design & durability | ||
| Case size | — | 47 mm |
| Weight | — | 49 g |
| Thickness | — | 12.6 mm |
| Height | — | 46.9 mm |
| Width | — | 46.9 mm |
| Case material | Stainless steel | — |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Saphirglas Saphirglas | Sapphire crystal glass |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Colours | — | Titanium |
| Display | ||
| Screen size | — | 1.43″ |
| Display technology | OLED | AMOLED |
| Panel | OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | — | 466 px |
| Resolution (height) | — | 466 px |
| Pixel density | — | 326 ppi |
| Peak brightness | — | 2,200 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 30 days | — |
| Battery capacity | 190 mAh | 586 mAh |
| Battery type | Li-Ion | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | heart rate, accelerometer | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GPS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | Yes |
| eSIM | — | Yes |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Speaker | — | Yes |
| Storage | — | 32 GB |
| Platform | ||
| Operating system | — | HyperOS |
| Platform | — | Proprietary |
| Works with | iOS, Android | — |









