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Xiaomi Watch S4 41mm vs Realme TechLife Watch S100 comparison

 Compare Xiaomi Watch S4 41mm
Xiaomi Watch S4 41mm
Compare Realme TechLife Watch S100
Realme TechLife Watch S100
key specs
Display Size41mm43mm
Strap MaterialMilaneseSilicone
Dial ShapeRoundRectangle
Ideal ForUnisexUnisex
Compatible OS-Android 5.0+, iOS 11+
general
BrandXiaomiRealme
ModelWatch S4 41mmTechLife Watch S100
Release dateSeptember 24, 2025March 10, 2022
Dial ShapeRoundRectangle
Strap MaterialMilaneseSilicone
SizeRegularLarge
Touchscreen1.32Yes
Water Resistant5ATMIP68
Water Resistance Depth50 m1.5 metres
UsageRegular-
Dial MaterialStainless steel-
Ideal ForUnisexUnisex
Interchangeable Strap-Yes
dimensions
Width41.2-
Height41.2-
Diameter9.5-
Weight (g)32.0034.00
product details
SensorHeart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensorHeart Rate
Battery Type320mAh-
Battery Life8 days12 days
Compatible Device-Android, iPhone
Notification-Yes
Notification Type-Calls, messages, select apps
Charger Type-Magnetic
Rechargeable Battery-Yes
connectivity features
Call FunctionYesNo
BluetoothYesYes
Bluetooth Version5.45.1
GPSYesNo
Wi-Fi-No
platform and storage features
Operating SystemXiaomi HyperOS 3-
Compatible Operating System-Android 5.0+, iOS 11+
camera and display features
Display Resolution466 × 466240x280
Display Size41mm43mm
Other Display Features1500nits, 60Hz refresh rate530 nits peak brightness, 218ppi pixel density
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
CompassYes-
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglish-
Chronograph-Yes
Other Fitness Features-24-hour heart rate monitoring, sleep monitoring, blood oxygen (SpO2), sedentary reminder, water reminder
audio and video features
SpeakerYes-
MicrophoneYes-
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Companion app Rating-
Software and ecosystem Rating-
Battery life Rating-
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