ASUS ZenWatch 2 vs. Garmin Vivoactive vs. Garmin Vivosmart vs. Garmin 645 Music vs. Fitbit Charge HR

 
ZenWatch 2
Vivoactive
Vivosmart
645 Music
Charge HR
 ASUSZenWatch 2Remove Buy NowGarminVivoactiveRemove Buy NowGarminVivosmartRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$150$250$170$450$150
Release20162015201420182015

Activity & Fitness

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

Battery

Durationn/a14 hours to 11 days7 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320205 x 148128 x 16240 x 240NA
Size1.63 inches or 1.45 inch1.38 inches1.41 inches1.2 inchesNA
TouchNA
TypeAMOLEDLCDOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aNA
Apps
Music

All Wearables