vs
6.1Display5.0
5.0Health tracking5.0
4.9Smart features6.5
8.5Build & durability8.2
Dimensions
Size comparison
Redmi Watch 2Redmi Watch 4
| Redmi Watch 2 | Redmi Watch 4 | Difference | |
|---|---|---|---|
| Height | 39.1 mm | 47.6 mm | −8.5 mm |
| Width | 34.4 mm | 41.1 mm | −6.7 mm |
| Thickness | 10 mm | 10.5 mm | −0.5 mm |
| Weight | 31 g | 32 g | −0 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Redmi Watch 2 better than Redmi Watch 4?
- Thickness10 mm vs 10.5 mm+5%
Why is Redmi Watch 4 better than Redmi Watch 2?
- Battery capacity225 mAh vs 470 mAh2.1×
- Screen size1.6″ vs 1.97″+23%
- SpeakerNo · Redmi Watch 2: Yes
- Resolution (width)320 px vs 390 px+22%
Specifications
Side by side
| Design & durability | ||
| Case size | 39 mm | 48 mm |
| Weight | 31 g | 31.5 g |
| Thickness | 10 mm | 10.5 mm |
| Height | 39.1 mm | 47.6 mm |
| Width | 34.4 mm | 41.1 mm |
| Case material | Plastic / polymer | Aluminium |
| Strap material | — | TPU |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Colours | Black, Blue, Ivory | Black, White |
| Display | ||
| Screen size | 1.6″ | 1.97″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 320 px | 390 px |
| Resolution (height) | 360 px | 450 px |
| Pixel density | 301 ppi | 302 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 20 days |
| Battery capacity | 225 mAh | 470 mAh |
| Battery type | Li-Ion | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, heart rate, compass, SpO2 | Accelerometer, heart rate, compass, gyro, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 5.3 |
| Smart features | ||
| Speaker | No | Yes |
| Storage | — | 16 GB |
| Platform | ||
| Operating system | Proprietary OS | HyperOS |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
