Dimensions
Size comparison
Watch S4Watch S5
| Watch S4 | Watch S5 | Difference | |
|---|---|---|---|
| Case size | 47.3 mm | 46 mm | +1.3 mm |
| Thickness | 12 mm | 11 mm | +1 mm |
| Weight | 44 g | 46 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch S4 better than Watch S5?
- Weight44.5 g vs 46 g+3%
Why is Watch S5 better than Watch S4?
- Battery life (smartwatch mode)15 days vs 21 days+40%
- Battery capacity486 mAh vs 815 mAh+68%
- Screen size1.43″ vs 1.48″+3%
- Thickness12 mm vs 11 mm+9%
- Resolution (width)466 px vs 480 px+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 46 mm |
| Weight | 44.5 g | 46 g |
| Thickness | 12 mm | 11 mm |
| Height | 47.3 mm | — |
| Width | 47.3 mm | — |
| Case material | Aluminium | Stainless steel |
| Lens / cover glass | Scratch/drop-proof glass | Mineralglas |
| Strap material | — | Fluorelastomer |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | 50 m / 5 bar / 5 ATM |
| Colours | Black, Silver, Rainbow | — |
| Display | ||
| Screen size | 1.43″ | 1.48″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 466 px | 480 px |
| Resolution (height) | 466 px | 480 px |
| Pixel density | 326 ppi | — |
| Peak brightness | 2,200 nits | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | 15 days | 21 days |
| Battery capacity | 486 mAh | 815 mAh |
| Battery type | Li-Po | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2 | heart rate, SpO2, barometer, accelerometer, ambient light |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Bluetooth | 5.3 | 5.4 |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | — | Yes |
| Platform | ||
| Operating system | HyperOS 2 | HyperOS 3 |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
