ASUS ZenWatch 2 vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR

 
ZenWatch 2
Charge 2
645 Music
Grayson
Grayson
GTR
 ASUSZenWatch 2Remove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$150$450$350$350$199
Release201620162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days24 hours24 hours24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240453 x 454453x454454 x 454
Size1.63 inches or 1.45 inchn/a1.2 inches1.39 inches1.39 inches1.39 inches
Touchn/a
TypeAMOLEDOLEDMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables