ASUS ZenWatch 2 vs. Polar A360 vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Amazfit GTR

 
ZenWatch 2
A360
645 Music
Vivofit 4
GTR
 ASUSZenWatch 2Remove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$200$450$79.95$199
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a12 days7 days1 year24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320160 x 80240 x 24088 x 88454 x 454
Size1.63 inches or 1.45 inch1.18 inches1.2 inchesNA1.39 inches
Touch
TypeAMOLEDn/aMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR305 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuild-in
Apps
Music

All Wearables