| Product |
Xiaomi Watch S1
|
Oppo Watch 4 Pro
|
| Battery |
| Charging |
Wireless |
- |
| Type |
Li-Po 470 mAh |
Li-Ion 570 mAh |
| Body |
| Build |
Sapphire crystal front, stainless steel frame, plastic back |
Glass front, stainless steel frame |
| Dimensions |
46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in) |
50.1 x 38.3 x 12.9 mm (1.97 x 1.51 x 0.51 in) |
| SIM |
No |
eSIM (market/region dependent) |
| Weight |
53 g (1.87 oz) |
52.3 g (1.83 oz) |
|
Waterproof (5ATM) |
5ATM water resistant
ECG certified |
| Camera |
|
No |
No |
| Comms |
| Bluetooth |
5.2, A2DP, LE |
5.0, A2DP, LE |
| NFC |
Yes |
Yes |
| Positioning |
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
GPS, GLONASS, BDS, GALILEO, 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 |
| Display |
| Resolution |
466 x 466 pixels (~326 ppi density) |
378 x 496 pixels (~327 ppi density) |
| Size |
1.43 inches |
1.91 inches |
| Type |
AMOLED |
LTPO AMOLED |
| Features |
| Sensors |
Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
Accelerometer, gyro, heart rate, compass, barometer, SpO2, thermometer (skin temperature) |
|
- |
Temperature sensing (0.1? accuracy) |
| Launch |
| Announced |
2021, December 28 |
2023, August 29 |
| Status |
Available. Released 2021, December 31 |
Available. Released 2023, September 08 |
| Memory |
| Card slot |
No |
No |
| Internal |
Unspecified storage |
32GB 2GB RAM |
| Misc |
| Colors |
Black, Silver |
Black, Silver |
| Models |
M2108W1 |
- |
| Network |
| 2G bands |
N/A |
N/A |
| 3G bands |
N/A |
HSDPA 850 / 900 / 2100 |
| 4G bands |
N/A |
LTE |
| EDGE |
No |
- |
| GPRS |
No |
- |
| Speed |
No |
HSPA, LTE |
| Technology |
No cellular connectivity |
HSPA / LTE |
| Platform |
| Chipset |
- |
Qualcomm Snapdragon W5+ Gen 1 (4 nm) |
| CPU |
- |
Quad-core 1.7 GHz Cortex-A53 |
| GPU |
- |
Adreno A702 |
| OS |
Proprietary OS |
ColorOS Watch 3.0 - China |
| Sound |
| 3.5mm jack |
No |
No |
| Loudspeaker |
Yes |
Yes |
