vs
5.5Health tracking9.0
Dimensions
Size comparison
AirWatch Fit 4 Pro
| Air | Watch Fit 4 Pro | Difference | |
|---|---|---|---|
| Case size | 34.9 mm | 40 mm | −5.1 mm |
| Thickness | 8.3 mm | 9.3 mm | −1 mm |
| Weight | 12 g | 30 g | −18 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Air better than Watch Fit 4 Pro?
- Weight12 g vs 30.4 g2.5×
- Thickness8.3 mm vs 9.3 mm+12%
Why is Watch Fit 4 Pro better than Air?
- Battery life (smartwatch mode)7 days vs 10 days+43%
Specifications
Side by side
| Design & durability | ||
| Case size | 35 mm | 44 mm |
| Weight | 12 g | 30.4 g |
| Thickness | 8.3 mm | 9.3 mm |
| Height | — | 44.5 mm |
| Width | — | 40 mm |
| Case material | — | Aluminium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire Glass |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | IP6X |
| Water resistance (IPx) | IPx8 | — |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | — | Green, Blue, Black |
| Display | ||
| Screen size | — | 1.82″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | — | 408 px |
| Resolution (height) | — | 480 px |
| Pixel density | — | 347 ppi |
| Peak brightness | — | 3,000 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 10 days |
| Battery capacity | — | 400 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | — | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | Accelerometer, gyro, heart rate, SpO2, compass, barometer, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Multisport / triathlon mode | — | Yes |
| Dive mode | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Calls from the wrist | — | Yes |
| Speaker | — | Yes |
| Music on the watch | — | Yes |
| Platform | ||
| Operating system | — | Harmony OS 2.0 |
| Platform | — | HarmonyOS |
| Works with | Android, iOS | Android, iOS |
