Xiaomi Watch S4 41mm vs Xiaomi Watch S4 15th Anniversary Edition comparison

Compare Xiaomi Watch S4 41mm
Compare Xiaomi Watch S4 15th Anniversary Edition
key specs
Display Size41mm36mm
Strap MaterialMilanese-
Dial ShapeRoundRound
Ideal ForUnisexUnisex
Compatible OS-Android 8.0 or above, iOS 12.0 or above
Display Type-AMOLED
general
BrandXiaomiXiaomi
ModelWatch S4 41mmWatch S4 15th Anniversary Edition
Release dateSeptember 24, 2025May 23, 2025
Dial ShapeRoundRound
Strap MaterialMilanese-
SizeRegularRegular
Touchscreen1.321.43
Water Resistant5ATM5 ATM
Water Resistance Depth50 m-
UsageRegularRegular
Dial MaterialStainless steel-
Ideal ForUnisexUnisex
Model Name-Xiaomi Watch S4 15th Anniversary Edition
Dial Colour-Black
Interchangeable Strap-Yes
dimensions
Width41.247.3
Height41.247.3
Diameter9.5-
Weight (g)32.0044.50
Thickness-12
product details
SensorHeart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensorHeart Rate Monitor, Stress, Sleep
Battery Type320mAh486mAh
Battery Life8 days-
Compatible Device-Android and iOS
connectivity features
Call FunctionYes-
BluetoothYesYes
Bluetooth Version5.45.3
GPSYesYes
Wi-Fi-Yes
Other Connectivity Features-NFC, Galileo, Glonass, Beidou, QZSS
platform and storage features
Operating SystemXiaomi HyperOS 3HyperOS 2
Compatible Operating System-Android 8.0 or above, iOS 12.0 or above
camera and display features
Display Resolution466 × 466466 x 466
Display Size41mm36mm
Other Display Features1500nits, 60Hz refresh rate-
Display Type-AMOLED
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
CompassYes-
CalendarYes-
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglishEnglish
Calorie Count-Yes
audio and video features
SpeakerYes-
MicrophoneYes-

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