Asus ZenWatch vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Amazfit GTR vs. Amazfit T-Rex

 
ZenWatch
Forerunner 45
Inspire HR
GTR
T-Rex
 AsusZenWatchRemove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$199$99$199$140
Release20142019201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA7 days5 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320208 x 208139 x 60454 x 454360 x 360
Size1.63 inches1.04 inches1.4 inches1.39 inches1.3 inches
Touch
TypeAMOLEDLCDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP555 ATM5 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearBuilt-inFitbit OSBuild-inBuild-in
Apps
Music

All Wearables