Product
Realme Watch S Pro
Realme Watch S Pro
₹12,999
Xiaomi Watch S4
Xiaomi Watch S4
₹13,022
Battery
Type Li-Ion 420 mAh Li-Po 486 mAh
Body
Build Glass front, stainless steel frame, plastic back Aluminum alloy frame, stainless steel bezel
Dimensions - 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
SIM No eSIM (market/region dependent)
Weight - 44.5 g (1.59 oz)
  Waterproof (5ATM) Compatible with standard 22mm straps Waterproof (5ATM)
Camera
  No No
Comms
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE
NFC No Yes (market/region dependent)
Positioning GPS (L1+L5) GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Radio No No
USB No No
WLAN No No
Display
Protection Corning Gorilla Glass Scratch/drop-proof glass
Resolution 454 x 454 pixels (~326 ppi density) 466 x 466 pixels (~326 ppi density)
Size 1.39 inches 1.43 inches
Type Super AMOLED, 450 nits (peak) AMOLED, 1500 nits (HBM), 2200 nits (peak)
Features
Sensors Accelerometer, heart rate, SpO2 Accelerometer, gyro, compass, barometer, heart rate, SpO2
Launch
Announced 2020, December 23 2024, October 29
Status Available. Released 2020, December 29 Available. Released 2024, October 29
Memory
Card slot No No
Misc
Colors Black Black, Silver, Rainbow
Models RMA186 M2424W1, M2425W1
Network
2G bands N/A GSM 850 / 900 / 1800 / 1900
3G bands N/A HSDPA
4G bands N/A LTE
EDGE No No
GPRS No No
Speed No HSPA, LTE
Technology No cellular connectivity GSM / HSPA / LTE
Platform
OS Proprietary OS HyperOS 2
Sound
3.5mm jack No No
Loudspeaker No Yes
Offers No offers available No offers available