Asus ZenWatch vs. Jaybird Reign vs. Garmin Forerunner 45 vs. Amazfit GTR vs. Amazfit T-Rex

 
ZenWatch
Reign
Forerunner 45
GTR
T-Rex
 AsusZenWatchRemove Buy NowJaybirdReignRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$199$199$140
Release20142015201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA5 days7 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA208 x 208454 x 454360 x 360
Size1.63 inchesNA1.04 inches1.39 inches1.3 inches
TouchNA
TypeAMOLEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP55NA5 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNABuilt-inBuild-inBuild-in
Apps
Music

All Wearables