Product
Xiaomi Watch S4 41mm
Xiaomi Watch S4 41mm
₹12,024
Realme Watch 3 Pro
Realme Watch 3 Pro
₹15,117
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
Offers No offers available No offers available