ASUS ZenWatch 3 vs. Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Charge

 
ZenWatch 3
Stratos
WSD-F20A
Alta HR
Charge
 ASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$229$199$399$150$130
Release20172018201820172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 days1 day7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400320 x 300320 x 320128 x 36NA
Size1.39 inches1.34 inches1.32 inches1.4 inchesNA
TouchNA
TypeAMOLEDOLEDLCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2ProprietaryWear OSNA
Apps
Music

All Wearables