vs
9.6Display3.7
5.0Health tracking5.0
9.6Smart features3.9
Why is Watch 4 better than Smart Watch 2?
- Built-in GPSYes · Smart Watch 2: No
- AMOLED / OLED displayYes · Smart Watch 2: No
- NFC paymentsYes · Smart Watch 2: No
- LTE (cellular)Yes · Smart Watch 2: No
- eSIMYes · Smart Watch 2: No
- Battery capacity451 mAh vs 230 mAh+96%
- Pixel density340 ppi vs 207 ppi+64%
- Resolution (width)390 px vs 240 px+62%
Why is Smart Watch 2 better than Watch 4?
- Screen size1.75″ vs 1.8″+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | — |
| Weight | 32 g | — |
| Thickness | 11.2 mm | — |
| Height | 45.3 mm | — |
| Width | 39.1 mm | — |
| Case material | Plastic / polymer | Plastic / polymer |
| Water resistance | 5 ATM | — |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Black, Gold | Black |
| Display | ||
| Screen size | 1.75″ | 1.8″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | IPS LCD |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 390 px | 240 px |
| Resolution (height) | 450 px | 286 px |
| Pixel density | 340 ppi | 207 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 451 mAh | 230 mAh |
| Battery type | Li-Ion | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, SpO2 | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Connectivity | ||
| NFC payments | Yes | No |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Bluetooth | 5.2 | 5.1 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 4 GB | — |
| RAM | 0.031 GB | — |
| Platform | ||
| Operating system | MagicOS 7.2 | Proprietary OS |
| Platform | Proprietary | Proprietary |
