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Xiaomi Watch S4 15th Anniversary Edition vs Huami Amazfit Stratos 3 comparison

 Compare Xiaomi Watch S4 15th Anniversary Edition
Xiaomi Watch S4 15th Anniversary Edition
Compare Huami Amazfit Stratos 3
Huami Amazfit Stratos 3
key specs
Display Size36mm-
Compatible OSAndroid 8.0 or above, iOS 12.0 or above-
Dial ShapeRoundRound
Display TypeAMOLED-
Ideal ForUnisex-
Strap Material-Silicone
general
BrandXiaomiHuami
ModelWatch S4 15th Anniversary EditionAmazfit Stratos 3
Release dateMay 23, 2025August 27, 2019
Model NameXiaomi Watch S4 15th Anniversary EditionStratos 3
Dial ColourBlack-
Dial ShapeRoundRound
SizeRegular-
Touchscreen1.43Yes
Interchangeable StrapYes-
Water Resistant5 ATM5ATM
UsageRegularFor Sports
Ideal ForUnisex-
Strap Material-Silicone
Water Resistance Depth-50 Meters
Dial Material-Stainless Steel
dimensions
Width47.3-
Height47.3-
Thickness1213.4 mm
Weight (g)44.5040.40
Diameter-48.6mm
product details
SensorHeart Rate Monitor, Stress, SleepBioTracker PPG Bio-Tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air pressure sensor
Compatible DeviceAndroid and iOSAndroid 5.0 or iOS 10.0 and above
Battery Type486mAhLithium-ion polymer battery
Notification-Yes
Notification Type-Calls, Messages, App Alerts
Battery Life-7 days in smart mode
Charge Time-2.5 hours
connectivity features
BluetoothYesYes
Bluetooth Version5.35.0
Wi-FiYesYes
GPSYesYes
Other Connectivity FeaturesNFC, Galileo, Glonass, Beidou, QZSS-
platform and storage features
Operating SystemHyperOS 2Amazfit OS
Compatible Operating SystemAndroid 8.0 or above, iOS 12.0 or above-
Number of Cores-dual-core
RAM-512MB
Processor Speed-1200
Internal Memory-2GB
camera and display features
Display Resolution466 x 466320x320
Display Size36mm-
Display TypeAMOLED-
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
Alarm ClockYesYes
Date & Time DisplayYes-
LanguageEnglish-
Number of Buttons-4
Other Fitness Features-80 Sports Modes
audio and video features
Audio Features-Standalone Music Playback
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