Xiaomi Watch S4 15th Anniversary Edition vs Fossil Gen 6 (42mm) comparison

Compare Xiaomi Watch S4 15th Anniversary Edition
Compare Fossil Gen 6 (42mm)
key specs
Display Size36mm42mm
Compatible OSAndroid 8.0 or above, iOS 12.0 or above-
Dial ShapeRoundRound
Display TypeAMOLED-
Ideal ForUnisexUnisex
Strap Colour-Black, Navy, Rose Gold, Pink, Grey, Pride Red, Steel Mesh
Strap Material-Silicone
general
BrandXiaomiFossil
ModelWatch S4 15th Anniversary EditionGen 6 (42mm)
Release dateMay 23, 2025August 31, 2021
Model NameXiaomi Watch S4 15th Anniversary EditionFossil Gen 6
Dial ColourBlack-
Dial ShapeRoundRound
SizeRegular-
Touchscreen1.43Yes
Interchangeable StrapYesYes
Water Resistant5 ATM3ATM
UsageRegular-
Ideal ForUnisexUnisex
Strap Material-Silicone
Dial Material-Stainless Steel
Strap Colour-Black, Navy, Rose Gold, Pink, Grey, Pride Red, Steel Mesh
dimensions
Width47.3-
Height47.3-
Thickness12-
Weight (g)44.50-
product details
SensorHeart Rate Monitor, Stress, SleepAccelerometer, Altimeter, Ambient Light, Compass, Gyroscope, Off-body IR, PPG Heart Rate, SPO2
Compatible DeviceAndroid and iOSAndroid, iOS
Battery Type486mAh-
Closure-Buckle
Notification-Email, Text, Social Apps
Battery Life-24 Hours
Charger Type-Magnetic Pin
Rechargeable Battery-Yes
Other Features-Social watch faces, calendar alerts, control for smart home devices
connectivity features
BluetoothYesYes
Bluetooth Version5.35
Wi-FiYesYes
GPSYesYes
Other Connectivity FeaturesNFC, Galileo, Glonass, Beidou, QZSS-
Call Function-Yes
platform and storage features
Operating SystemHyperOS 2Wear OS 2
Compatible Operating SystemAndroid 8.0 or above, iOS 12.0 or above-
RAM-1GB
Processor Name-Snapdragon 4100+
Internal Memory-8GB
camera and display features
Display Resolution466 x 466416x416
Display Size36mm42mm
Display TypeAMOLED-
Other Display Features-Color AMOLED, 326ppi
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglish-
Altimeter-Yes
Compass-Yes
Calendar-Yes
Number of Buttons-2
audio and video features
Speaker-Yes
Microphone-Yes
Voice Control-Yes

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