Xiaomi Watch S4 41mm vs Xiaomi Watch S2 comparison

Compare Xiaomi Watch S4 41mm
Compare Xiaomi Watch S2
key specs
Display Size41mm42mm
Strap MaterialMilaneseLeather
Dial ShapeRoundRound
Ideal ForUnisexUnisex
Strap Colour-Black, Light Gold and Silver
Compatible OS-Android, iOS
Display Type-AMOLED
general
BrandXiaomiXiaomi
ModelWatch S4 41mmWatch S2
Release dateSeptember 24, 2025January 10, 2022
Dial ShapeRoundRound
Strap MaterialMilaneseLeather
SizeRegularLarge
Touchscreen1.32Yes
Water Resistant5ATMYes
Water Resistance Depth50 m5ATM
UsageRegularFitness & Outdoor
Dial MaterialStainless steel-
Ideal ForUnisexUnisex
Model Name-Xiaomi Watch S2
Dial Colour-Black
Strap Colour-Black, Light Gold and Silver
Interchangeable Strap-Yes
dimensions
Width41.2-
Height41.2-
Diameter9.5-
Weight (g)32.00-
product details
SensorHeart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensorBlood Oxygen Monitor, Heart Rate Monitor
Battery Type320mAh305
Battery Life8 days12 Days
Closure-Strap Buckle
Compatible Device-Android, iOS
Notification-Message
Rechargeable Battery-Yes
connectivity features
Call FunctionYesYes
BluetoothYesYes
Bluetooth Version5.45.2
GPSYesYes
Third Party App Support-Yes
Call Features-call, answer, reject and mute calls
Other Connectivity Features-Notifications
platform and storage features
Operating SystemXiaomi HyperOS 3MIUI Watch OS
Compatible Operating System-Android, iOS
camera and display features
Display Resolution466 × 466466X466
Display Size41mm42mm
Other Display Features1500nits, 60Hz refresh rateTouch Screen
Display Type-AMOLED
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglish-
audio and video features
SpeakerYes-
MicrophoneYes-

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