Xiaomi Watch S4 15th Anniversary Edition vs Xiaomi Mi Watch comparison

Compare Xiaomi Watch S4 15th Anniversary Edition
Compare Xiaomi Mi Watch
key specs
Display Size36mm44mm
Compatible OSAndroid 8.0 or above, iOS 12.0 or aboveAndroid, iOS
Dial ShapeRoundSquare
Display TypeAMOLEDAMOLED
Ideal ForUnisexUnisex
Strap Colour-Silver, Black, Grey, Blue
Strap Material-Rubber
general
BrandXiaomiXiaomi
ModelWatch S4 15th Anniversary EditionMi Watch
Release dateMay 23, 2025November 5, 2019
Model NameXiaomi Watch S4 15th Anniversary EditionMi Watch
Dial ColourBlackSilver, Black
Dial ShapeRoundSquare
SizeRegularRegular
Touchscreen1.43Yes
Interchangeable StrapYesYes
Water Resistant5 ATMYes
UsageRegular-
Ideal ForUnisexUnisex
Alternate names-Silver, Black
Strap Material-Rubber
Dial Material-Alumunium Alloy
Strap Colour-Silver, Black, Grey, Blue
dimensions
Width47.344.69
Height47.336.92
Thickness1212.28
Weight (g)44.5044.00
Diameter-45.2
product details
SensorHeart Rate Monitor, Stress, SleepAll Axis Sensor, Heart Rate Sensor, Barometer
Compatible DeviceAndroid and iOSAndroid, iOS
Battery Type486mAh-
Battery Life-36 hours
Charger Type-Pogo pin
Rechargeable Battery-Yes
connectivity features
BluetoothYesYes
Bluetooth Version5.34.2
Wi-FiYesYes
GPSYesYes
Other Connectivity FeaturesNFC, Galileo, Glonass, Beidou, QZSSNFC
Call Function-Yes
Messaging Support-Yes
Email Support-Yes
Third Party App Support-Yes
Call Features-Yes
platform and storage features
Operating SystemHyperOS 2MIUI for Watch
Compatible Operating SystemAndroid 8.0 or above, iOS 12.0 or aboveAndroid, iOS
Number of Cores-quad-core
RAM-1GB
Processor Name-Qualcomm Snapdragon Wear 3100
Internal Memory-4GB
Expandable Memory-No
camera and display features
Display Resolution466 x 466368x448 pixels
Display Size36mm44mm
Display TypeAMOLEDAMOLED
Scratch Resistant-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglish-
Compass-Yes
Calendar-Yes
Number of Buttons-1
Other Fitness Features-Sports Modes
audio and video features
Speaker-Yes
Microphone-Yes

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