ASUS ZenWatch 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Charge HR vs. Garmin VivoActive 4

 
ZenWatch 2
ZenWatch
645 Music
Charge HR
VivoActive 4
 ASUSZenWatch 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$150$450$150$349
Release20162014201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/aNA7 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320240 x 240NA260 x 260
Size1.63 inches or 1.45 inch1.63 inches1.2 inchesNA1.3ionches
TouchNA
TypeAMOLEDAMOLEDMIPOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP555 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearAndroid WearNAWear OS
Apps
Music

All Wearables