| Product |
Xiaomi Watch S4 41mm
|
Realme Watch 3 Pro
|
| Battery |
| Type |
Li-Po 320 mAh |
Li-Ion 345 mAh |
| Body |
| Build |
Stainless steel bezel and frame |
Glass front, plastic back, plastic frame |
| Dimensions |
41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in) |
45 x 36.8 x 11.7 mm (1.77 x 1.45 x 0.46 in) |
| SIM |
No |
No |
| Weight |
32 g (1.13 oz) |
40.7 g (1.45 oz) |
| |
Waterproof (5ATM) |
Compatible with standard 22mm straps |
| Camera |
| |
No |
No |
| Comms |
| Bluetooth |
5.4, A2DP, LE |
5.3, A2DP, LE |
| NFC |
Yes (market/region dependent) |
No |
| Positioning |
GPS, GLONASS, GALILEO, BDS, QZSS |
GPS |
| Radio |
No |
No |
| USB |
No |
No |
| WLAN |
No |
No |
| Display |
| Protection |
Scratch/drop-proof glass |
- |
| Resolution |
466 x 466 pixels (~320 ppi density) |
364 x 448 pixels (~325 ppi density) |
| Size |
1.32 inches |
1.78 inches |
| Type |
AMOLED, 1500 nits (HBM), 2200 nits (peak) |
AMOLED, 500 nits (typ) |
| Features |
| Sensors |
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature) |
Accelerometer, heart rate, SpO2 |
| Launch |
| Announced |
2025, June 26 |
2022, September 01 |
| Status |
Available. Released 2025, June 26 |
Available. Released 2022, September 09 |
| Memory |
| Card slot |
No |
No |
| Internal |
- |
Unspecified |
| |
- |
eMMC 4.5 |
| Misc |
| Colors |
Black, Green, White, Gold |
Black, Gray |
| Models |
M2502W1 |
- |
| 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 |
| Technology |
No cellular connectivity |
No cellular connectivity |
| Platform |
| OS |
HyperOS 2 |
Proprietary OS |
| Sound |
| 3.5mm jack |
No |
No |
| Loudspeaker |
Yes |
Yes |
