ASUS ZenWatch 2 vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Apple Watch vs. Amazfit T-Rex

 
ZenWatch 2
Vivosmart HR
Ionic
Watch
T-Rex
 ASUSZenWatch 2Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowAppleWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$170$299$349$140
Release20162015201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days4+ days18 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320160 x 68348x250340 x 272 or 390 x 312360 x 360
Size1.63 inches or 1.45 inch1.08 inches1.421.5 inches or 1.65 inches1.3 inches
Touch
TypeAMOLEDn/aOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM50mIPX75 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSWatch OSBuild-in
Apps
Music

All Wearables