ASUS ZenWatch 2 vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Fitbit Flex vs. Garmin Vivosmart 4

 
ZenWatch 2
Stratos
Charge 3
Flex
Vivosmart 4
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$199$150$100$130
Release20162018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320320 x 30066 x 18NA48 x 128
Size1.63 inches or 1.45 inch1.34 inches.721 inchesNA0.74 inches
TouchNA
TypeAMOLEDOLEDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearProprietaryNANA
Apps
Music

All Wearables