ASUS ZenWatch 3 vs. Asus ZenWatch vs. Fitbit Charge HR vs. Amazfit GTS vs. Amazfit T-Rex

 
ZenWatch 3
ZenWatch
Charge HR
GTS
T-Rex
 ASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$150$150$150$140
Release20172014201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hoursNA5 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400320 x 320NA348 x 442360 x 360
Size1.39 inches1.63 inchesNA1.65 inches1.3 inches
TouchNA
TypeAMOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP551 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wear 2Android WearNAWear OSBuild-in
Apps
Music

All Wearables