Apple Watch vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Alta HR vs. Garmin Vivosmart HR Plus

 
Watch
ZenWatch
645 Music
Alta HR
Vivosmart HR Plus
 AppleWatchRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$349$150$450$150$179
Release20152014201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursNA7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320240 x 240128 x 36160 x 68
Size1.5 inches or 1.65 inches1.63 inches1.2 inches1.4 inches0.5 inches x 0.8 inches
Touch
TypeAMOLEDAMOLEDMIPOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatch OSAndroid WearNA
Apps
Music

All Wearables