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

 
ZenWatch 3
ZenWatch
Charge
Flex
T-Rex
 ASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$150$130$100$140
Release20172014201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hoursNA7-10 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400320 x 320NANA360 x 360
Size1.39 inches1.63 inchesNANA1.3 inches
TouchNANA
TypeAMOLEDAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP551 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wear 2Android WearNANABuild-in
Apps
Music

All Wearables