ASUS ZenWatch 2 vs. Polar M400 vs. Asus ZenWatch vs. Garmin Vivosport vs. Amazfit T-Rex

 
ZenWatch 2
M400
ZenWatch
Vivosport
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowGarminVivosportRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$150$199$140
Release20162014201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 daysNA7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a320 x 32072 x 144360 x 360
Size1.63 inches or 1.45 inchn/a1.63 inchesNA1.3 inches
Touch
TypeAMOLEDn/aAMOLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aAndroid WearBuild-in
Apps
Music

All Wearables