vs
5.1Display5.0
5.0Health tracking5.0
Dimensions
Size comparison
8900Redmi Watch 4
| 8900 | Redmi Watch 4 | Difference | |
|---|---|---|---|
| Case size | 42 mm | 41.1 mm | +0.9 mm |
| Weight | 40 g | 32 g | +8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 8900 better than Redmi Watch 4?
- Resolution (width)466 px vs 390 px+19%
Why is Redmi Watch 4 better than 8900?
- Screen size1.3″ vs 1.97″+52%
- Weight40 g vs 31.5 g+27%
- Battery capacity300 mAh vs 470 mAh+57%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 48 mm |
| Weight | 40 g | 31.5 g |
| Thickness | — | 10.5 mm |
| Height | — | 47.6 mm |
| Width | — | 41.1 mm |
| Case material | Aluminium | Aluminium |
| Strap material | Silikon | TPU |
| Water resistance | — | 5 ATM |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | — | Black, White |
| Display | ||
| Screen size | 1.3″ | 1.97″ |
| Display technology | AMOLED | AMOLED |
| Panel | OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 466 px | 390 px |
| Resolution (height) | 466 px | 450 px |
| Pixel density | — | 302 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 20 days |
| Battery capacity | 300 mAh | 470 mAh |
| Battery type | Li-Po | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, ambient light | Accelerometer, heart rate, compass, gyro, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GLONASS, GALILEO, BDS, QZSS |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 5.3 | 5.3 |
| Smart features | ||
| Speaker | — | Yes |
| Voice assistant | Yes | — |
| Storage | — | 16 GB |
| Platform | ||
| Operating system | — | HyperOS |
| Platform | — | Proprietary |
| Works with | iOS, Android | iOS, Android |
