ASUS ZenWatch 2 vs. Huawei Watch vs. Fitbit Ionic vs. Amazfit GTR vs. Amazfit T-Rex

 
ZenWatch 2
Watch
Ionic
GTR
T-Rex
 ASUSZenWatch 2Remove Buy NowHuaweiWatchRemove Buy NowFitbitIonicRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$349$299$199$140
Release20162015201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/an/a4+ days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400348x250454 x 454360 x 360
Size1.63 inches or 1.45 inch1.4 inches1.421.39 inches1.3 inches
Touch
TypeAMOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a50m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid WearFitbit OSBuild-inBuild-in
Apps
Musicn/a

All Wearables