ASUS ZenWatch 2 vs. Fitbit Ionic vs. Asus ZenWatch vs. Fitbit Charge vs. Amazfit T-Rex

 
ZenWatch 2
Ionic
ZenWatch
Charge
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$299$150$130$140
Release20162017201420142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ daysNA7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250320 x 320NA360 x 360
Size1.63 inches or 1.45 inch1.421.63 inchesNA1.3 inches
TouchNA
TypeAMOLEDOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750mIP551 ATM5 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearFitbit OSAndroid WearNABuild-in
Apps
Music

All Wearables