| Product |
Xiaomi Watch S1
|
Oppo Watch X2
|
| Battery |
| Charging |
Wireless |
7.5W wired |
| Type |
Li-Po 470 mAh |
Li-Ion 648 mAh |
| Body |
| Build |
Sapphire crystal front, stainless steel frame, plastic back |
Sapphire crystal front, stainless steel frame, plastic back |
| Dimensions |
46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in) |
47.6 x 46.6 x 11.8 mm (1.87 x 1.83 x 0.46 in) |
| SIM |
No |
No |
| Weight |
53 g (1.87 oz) |
49.7 g (1.76 oz) |
|
Waterproof (5ATM) |
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
MIL-STD-810H compliant
Waterproof (5ATM/50m)
Compatible with standard 22mm straps
ECG certified |
| Camera |
|
No |
No |
| Comms |
| Bluetooth |
5.2, A2DP, LE |
5.2, A2DP, LE |
| NFC |
Yes |
Yes |
| Positioning |
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
| Radio |
No |
No |
| USB |
No |
No |
| WLAN |
Wi-Fi 802.11 b/g/n (China only) |
Wi-Fi 802.11 a/b/g/n, dual-band |
| Display |
| Protection |
- |
Sapphire crystal glass |
| Resolution |
466 x 466 pixels (~326 ppi density) |
466 x 466 pixels (~310 ppi density) |
| Size |
1.43 inches |
1.5 inches |
| Type |
AMOLED |
LTPO AMOLED, 2200 nits (peak) |
| Features |
| Sensors |
Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Launch |
| Announced |
2021, December 28 |
2025, February 20 |
| Status |
Available. Released 2021, December 31 |
Available. Released 2025, March 28 |
| Memory |
| Card slot |
No |
No |
| Internal |
Unspecified storage |
32GB 2GB RAM |
| Misc |
| Colors |
Black, Silver |
Lava Black, Summit Blue |
| Models |
M2108W1 |
OPWWE251 |
| 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 |
| Chipset |
- |
Qualcomm Snapdragon W5 Gen 1 (4 nm) |
| OS |
Proprietary OS |
ColorOS Watch 7.0 + Wear OS 5.0 |
| Sound |
| 3.5mm jack |
No |
No |
| Loudspeaker |
Yes |
Yes |
