ASUS ZenWatch 2 vs. Huawei Watch 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Amazfit GTR

 
ZenWatch 2
Watch 2
645 Music
Flex
GTR
 ASUSZenWatch 2Remove Buy NowHuaweiWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$350$450$100$199
Release20162017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320480 x 480240 x 240NA454 x 454
Size1.63 inches or 1.45 inch1.38 inches1.2 inchesNA1.39 inches
TouchNA
TypeAMOLEDP-OLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2NABuild-in
Apps
Music

All Wearables