Apple Watch Series 12 vs Xiaomi Watch S4 comparison

Compare Apple Watch Series 12
Compare Xiaomi Watch S4
key specs
Display Size46mm-
Dial ShapeRectangleRound
Display TypeOLED RetinaAMOLED
Ideal ForUnisexUnisex
general
BrandAppleXiaomi
ModelWatch Series 12Watch S4
Release dateSeptember 9, 2026October 29, 2024
Dial ShapeRectangleRound
UsageRegular, SportsRegular
Ideal ForUnisexUnisex
Size-Regular
Touchscreen-1.43
Interchangeable Strap-Yes
Water Resistant-5 ATM
product details
SensorNew optical and electrical heart sensors, optical heart sensorheart rate, SpO2, steps, sleep tracker
Compatible DeviceiPhone 11 or later, or iPhone SE (2nd generation or later), with iOS 27 or later-
Battery Life24 hours15
Charger TypeMagnetic charging port-
Rechargeable BatteryYes-
Other FeaturesReadiness score, Siri AI-
Battery Type-486mAh
connectivity features
Call FunctionYes-
BluetoothYesYes
Wi-FiYesYes
GPSYesYes
Bluetooth Version-5.2
Other Connectivity Features-NFC, Galileo, Glonass, Beidou, QZSS
platform and storage features
Operating SystemwatchOS 27HyperOS 2
Processor NameApple S11 chip-
camera and display features
Display Resolution416 × 496466 x 466
Display Size46mm-
Display TypeOLED RetinaAMOLED
Scratch ResistantCeramic Shield 2 on aluminium models-
Other Display FeaturesUp to 2,000 nits brightness, LTPO3, Always-On display-
fitness and watch functions
Step CountYesYes
Calorie CountYes-
Heart Rate MonitorYesYes
AltimeterYes-
CompassYes-
CalendarYes-
Alarm ClockYes-
ChronographYes-
Date & Time DisplayYesYes
LanguageEnglish-
Number of Buttons2-
Other Fitness FeaturesECG, sleep tracking, sleep score, sleep apnoea notifications, heart rate notifications, HRV, readiness score, VO2 max, heart rate zones, Training Load, workout tracking, cycle tracking, step tracking, GPS, elevation tracking-
audio and video features
SpeakerYes-
Gesture ControlYes-
MicrophoneYes-
Voice ControlSiri AI-
dimensions
Width-47.3
Height-47.3
Thickness-12
Weight (g)-44.50

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