Fitbit Alta vs. Asus ZenWatch vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Alta
ZenWatch
645 Music
Grayson
Grayson
Vivosmart 4
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$150$450$350$350$130
Release201620142018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240453 x 454453x45448 x 128
Sizen/a1.63 inches1.2 inches1.39 inches1.39 inches0.74 inches
Touchn/a
TypeOLEDAMOLEDMIPAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables