ASUS ZenWatch 2 vs. Garmin Vivoactive vs. Garmin 645 Music vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
ZenWatch 2
Vivoactive
645 Music
Alta HR
Vivofit 4
 ASUSZenWatch 2Remove Buy NowGarminVivoactiveRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$250$450$150$79.95
Release20162015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a14 hours to 11 days7 days7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320205 x 148240 x 240128 x 3688 x 88
Size1.63 inches or 1.45 inch1.38 inches1.2 inches1.4 inchesNA
Touch
TypeAMOLEDLCDMIPOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/a
Apps
Music

All Wearables