ASUS ZenWatch 2 vs. Asus ZenWatch vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Amazfit GTR

 
ZenWatch 2
ZenWatch
Flex
Forerunner 45
GTR
 ASUSZenWatch 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$150$100$199$199
Release20162014201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/aNA5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NA208 x 208454 x 454
Size1.63 inches or 1.45 inch1.63 inchesNA1.04 inches1.39 inches
TouchNA
TypeAMOLEDAMOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP551 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearAndroid WearNABuilt-inBuild-in
Apps
Music

All Wearables