Xiaomi Watch S3 LTE vs Xiaomi Watch S4

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General

Country of OriginChina
BrandXiaomiXiaomi
Model NameWatch S3S4
Sime-Sim
Ideal ForMen, Women
Sales PackageSmartwatch, User Manual, Charger

Design and Body

Weight44 g32 g
MaterialAluminum alloy middle frame, stainless steel bezelStainless Steel Frame
StrapGenuine LeatherFluororubber, Leather, Milanese strap
ShapeCircleCircle
Water ResistantYesYes
Water Resistant Depth50 m50 m
Water Resistant Certificate5ATM5ATM
Dust ProofYes

Display

TypeColor AMOLEDColor AMOLED
TouchYes, Multi TouchYes
Size1.43 inches1.32 inches
Resolution466 x 466 pixels466 x 466 pixels
PPI326 ppi326 ppi
Ambient Light SensorYes
Features600 nits brightness1500 Nits Brightness, 60Hz refresh rate

Connectivity

Wi-FiYesYes
Voice CallingYes
BluetoothYesYes, 5.4
Bluetooth CallingYes
GPSYesYes
4GYes

Extra

NFCYesYes
GyroscopeYes
Voice AssistantYes
Inbuilt MicrophoneYes
Inbuilt SpeakerYes
NotificationsYes
Extra FeaturesMultiple Sports Mode, Multiple Watch Faces

Technical

OSXiaomi HyperOS 3
Compatible OSAndroid 6.0 or iOS 13.0 and above versionsAndroid 8.0 or Above and iOS 14.0 or Above

Battery

Battery Capacity486 mAh320 mAh
Battery TypeLi-Poly
Removable BatteryNon-Removable Battery
Battery Backup7 days8 days

Fitness Features and Sensors

Heart Rate MonitorYesYes
SpO2 (Blood Oxygen) MonitorYesYes
PedometerYesYes
AltimeterYesYes
CompassYes
Sleep MonitorYesYes
ReminderYesYes
Meters and SensorsCalorie Count, Step Count, Acceleration sensor, Gyroscope, Geomagnetic sensor, Air pressure sensor, Ambient lightAccelerometer, Calorie Count, Step Count, Barometer
Extra FeaturesAlarm Clock, Stopwatch, TimerAlarm Clock, Stopwatch, Timer

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