vs
9.2Display9.6
5.5Health tracking9.0
5.0Build & durability5.6
Dimensions
Size comparison
Watch Fit 3Watch Fit 4 Pro
| Watch Fit 3 | Watch Fit 4 Pro | Difference | |
|---|---|---|---|
| Height | 43.2 mm | 44.5 mm | −1.3 mm |
| Width | 36.3 mm | 40 mm | −3.7 mm |
| Thickness | 9.9 mm | 9.3 mm | +0.6 mm |
| Weight | 26 g | 30 g | −4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Fit 3 better than Watch Fit 4 Pro?
- Weight26 g vs 30.4 g+17%
- Resolution (width)480 px vs 408 px+18%
Why is Watch Fit 4 Pro better than Watch Fit 3?
- Thickness9.9 mm vs 9.3 mm+6%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 44 mm |
| Weight | 26 g | 30.4 g |
| Thickness | 9.9 mm | 9.3 mm |
| Height | 43.2 mm | 44.5 mm |
| Width | 36.3 mm | 40 mm |
| Case material | Aluminium | Aluminium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire Glass |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP6X |
| Water rating (maker) | 5 ATM | 50 m / 5 bar / 5 ATM |
| Colours | Black | Green, Blue, Black |
| Display | ||
| Screen size | 1.82″ | 1.82″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 480 px | 408 px |
| Resolution (height) | 408 px | 480 px |
| Pixel density | — | 347 ppi |
| Peak brightness | — | 3,000 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 10 days |
| Battery capacity | — | 400 mAh |
| Battery type | Li-Po | 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 |
| Sleep tracking | — | Yes |
| Sensors | heart rate, accelerometer, ambient light | Accelerometer, gyro, heart rate, SpO2, compass, barometer, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GPS | 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 | 5.2 | 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 | iOS, Android | Android, iOS |
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