Why is Smart 3.0 better than Watch 5?
- Screen size1.78″ vs 1.43″+24%
Why is Watch 5 better than Smart 3.0?
- Water resistance3 ATM vs 5 ATM+67%
- Resolution (width)368 px vs 466 px+27%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 45 mm |
| Weight | — | 32 g |
| Thickness | — | 11.4 mm |
| Height | — | 45 mm |
| Width | — | 45 mm |
| Case material | — | Stainless steel |
| Lens / cover glass | Mineralglas Mineralglas | — |
| Water resistance | 3 ATM | 5 ATM |
| Water rating (maker) | 30 m / 3 bar / 3 ATM | — |
| Colours | — | Black, White, Stainless steel silver |
| Display | ||
| Screen size | 1.78″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 368 px | 466 px |
| Resolution (height) | 448 px | 466 px |
| Pixel density | — | 326 ppi |
| Peak brightness | — | 1,500 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 3 days | — |
| Battery capacity | — | 505 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2, accelerometer | Accelerometer, gyro, heart rate, compass, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GLONASS, GALILEO, BDS, QZSS |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | Yes |
| eSIM | — | Yes |
| Bluetooth | 5 | 5.4 |
| Smart features | ||
| Speaker | — | No |
| Platform | ||
| Operating system | Proprietär | Blue OS 2 |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |









