| Product |
Xiaomi Watch S1 Active
|
Xiaomi Redmi Watch 4
|
| Battery |
| Type |
Li-Po 470 mAh |
Li-Po 470 mAh |
| Body |
| Build |
Glass front, plastic back, aluminum frame |
Plastic back, aluminum frame |
| Dimensions |
46.5 x 47.3 x 11 mm (1.83 x 1.86 x 0.43 in) |
47.6 x 41.1 x 10.5 mm (1.87 x 1.62 x 0.41 in) |
| SIM |
No |
No |
| Weight |
36 (1.27 oz) |
31.5 g (1.13 oz) |
| |
Waterproof (5ATM) |
Waterproof (5ATM)
50m water resistant |
| Camera |
| |
No |
No |
| Comms |
| Bluetooth |
5.2, A2DP, LE |
5.3, A2DP, LE |
| NFC |
Yes |
Yes (market/region dependent) |
| Positioning |
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio |
No |
No |
| USB |
No |
No |
| WLAN |
No |
No |
| Display |
| Resolution |
466 x 466 pixels (~326 ppi density) |
450 x 390 pixels (~302 ppi density) |
| Size |
1.43 inches |
1.97 inches |
| Type |
AMOLED |
AMOLED, 600 nits (peak) |
| Features |
| Sensors |
Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
Accelerometer, heart rate, compass, gyro, SpO2 |
| Launch |
| Announced |
2022, March 15 |
2023, November 29 |
| Status |
Available. Released 2022, March 24 |
Available. Released 2023, November 29 |
| Memory |
| Card slot |
No |
No |
| Internal |
Unspecified storage |
16GB |
| Misc |
| Colors |
Moon White, Space Black, Ocean Blue |
Black, White |
| Models |
- |
M2314W1 |
| Network |
| 2G bands |
N/A |
N/A |
| 3G bands |
N/A |
N/A |
| 4G bands |
N/A |
N/A |
| EDGE |
No |
No |
| GPRS |
No |
No |
| Speed |
No |
No |
| Technology |
No cellular connectivity |
No cellular connectivity |
| Platform |
| OS |
Proprietary OS |
HyperOS |
| Sound |
| 3.5mm jack |
No |
No |
| Loudspeaker |
Yes |
Yes |
