Product
Xiaomi Watch S1 Pro
Xiaomi Watch S1 Pro
₹21,959
OnePlus Watch 3
OnePlus Watch 3
₹28,044
Battery
Charging Wireless, 100% in 85 min 7.5W wired
Type Li-Po 500 mAh Li-Ion 648 mAh
Body
Build Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back Sapphire crystal front, stainless steel frame, plastic back
Dimensions 46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in) 47.6 x 46.6 x 11.8 mm (1.87 x 1.83 x 0.46 in)
SIM No No
Weight 48.5 g (1.73 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 480 x 480 pixels (~462 ppi density) 466 x 466 pixels (~310 ppi density)
Size 1.47 inches 1.5 inches
Type AMOLED, 600 nits (typ) LTPO AMOLED, 2200 nits (peak)
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature) Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)
Launch
Announced 2022, August 12 2025, February 18
Status Available. Released 2022, August 12 Available. Released 2025, March 03
Memory
Card slot No No
Internal Unspecified storage 32GB 2GB RAM
Misc
Colors Black, Silver Black titanium, Silver titanium
Models M2135W1, M2134W1 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 MIUI Watch OS ColorOS Watch 7.0 + Wear OS 5.0
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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