Dimensions
Size comparison
Watch 4Watch 5
| Watch 4 | Watch 5 | Difference | |
|---|---|---|---|
| Height | 45.3 mm | 45.6 mm | −0.3 mm |
| Width | 39.1 mm | 39.4 mm | −0.3 mm |
| Thickness | 11.2 mm | 11 mm | +0.2 mm |
| Weight | 32 g | 35 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 better than Watch 5?
- Weight32 g vs 35 g+9%
- Pixel density340 ppi vs 322 ppi+6%
Why is Watch 5 better than Watch 4?
- Screen size1.75″ vs 1.85″+6%
- Battery capacity451 mAh vs 480 mAh+6%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 32 g | 35 g |
| Thickness | 11.2 mm | 11 mm |
| Height | 45.3 mm | 45.6 mm |
| Width | 39.1 mm | 39.4 mm |
| Case material | Plastic / polymer | Aluminium |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Black, Gold | Black, Gold, Green |
| Display | ||
| Screen size | 1.75″ | 1.85″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Resolution (width) | 390 px | 390 px |
| Resolution (height) | 450 px | 450 px |
| Pixel density | 340 ppi | 322 ppi |
| Peak brightness | — | 1,000 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 15 days |
| Battery capacity | 451 mAh | 480 mAh |
| Battery type | Li-Ion | Si/C |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate, SpO2 | Accelerometer, gyro, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 4 GB | 4 GB |
| RAM | 0.031 GB | — |
| Platform | ||
| Operating system | MagicOS 7.2 | MagicOS 8 |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
