ASUS ZenWatch 2 vs. Garmin Vivofit 4 vs. Fitbit Inspire HR vs. Amazfit GTR vs. Amazfit T-Rex

 
ZenWatch 2
Vivofit 4
Inspire HR
GTR
T-Rex
 ASUSZenWatch 2Remove Buy NowGarminVivofit 4Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$79.95$99$199$140
Release20162018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a1 year5 days24 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 32088 x 88139 x 60454 x 454360 x 360
Size1.63 inches or 1.45 inchNA1.4 inches1.39 inches1.3 inches
Touch
TypeAMOLEDNAOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSBuild-inBuild-in
Apps
Music

All Wearables