ASUS ZenWatch 2 vs. Amazfit Stratos vs. Asus ZenWatch vs. Fitbit Charge 3 vs. Amazfit GTR

 
ZenWatch 2
Stratos
ZenWatch
Charge 3
GTR
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$199$150$150$199
Release20162018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 daysNA7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320320 x 300320 x 32066 x 18454 x 454
Size1.63 inches or 1.45 inch1.34 inches1.63 inches.721 inches1.39 inches
Touch
TypeAMOLEDOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearProprietaryAndroid WearNABuild-in
Apps
Music

All Wearables