Product
Xiaomi Watch S1
Xiaomi Watch S1
₹27,398
Oppo Watch X2
Oppo Watch X2
₹30,155
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
Offers No offers available No offers available