vs
6.8Display8.1
5.0Health tracking5.0
9.5Sports & outdoor4.7
9.7Build & durability5.5
Dimensions
Size comparison
Balance 2Watch S4 Sport
| Balance 2 | Watch S4 Sport | Difference | |
|---|---|---|---|
| Height | 47.4 mm | 46.9 mm | +0.5 mm |
| Width | 47.4 mm | 46.9 mm | +0.5 mm |
| Thickness | 12.3 mm | 12.6 mm | −0.3 mm |
| Weight | 43 g | 49 g | −6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Balance 2 better than Watch S4 Sport?
- Water resistance10 ATM vs 5 ATM2×
- Weight43 g vs 49 g+14%
- Screen size1.5″ vs 1.43″+5%
- Battery capacity658 mAh vs 586 mAh+12%
- Resolution (width)480 px vs 466 px+3%
- Thickness12.3 mm vs 12.6 mm+2%
Why is Watch S4 Sport better than Balance 2?
- Peak brightness2,000 nits vs 2,200 nits+10%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 47 mm |
| Weight | 43 g | 49 g |
| Thickness | 12.3 mm | 12.6 mm |
| Height | 47.4 mm | 46.9 mm |
| Width | 47.4 mm | 46.9 mm |
| Case material | Aluminium | — |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire glass | Sapphire crystal glass |
| Water resistance | 10 ATM | 5 ATM |
| Colours | — | Titanium |
| Display | ||
| Screen size | 1.5″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 480 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Pixel density | 323 ppi | 326 ppi |
| Peak brightness | 2,000 nits | 2,200 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 21 days | — |
| GPS battery life (dual-band) | 33 h | — |
| Battery capacity | 658 mAh | 586 mAh |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Sport profiles | 180 | — |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | Yes |
| eSIM | — | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | — | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Storage | — | 32 GB |
| Platform | ||
| Operating system | — | HyperOS |
| Platform | Proprietary | Proprietary |
| Works with | Android, iOS | — |
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