Fitbit Charge 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Charge 2
Ionic
645 Music
Grayson
Watch Series 4
Grayson
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$299$450$350$329$350
Release201620172018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days7 days24 hoursNot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240453 x 454384 x 480453x454
Sizen/a1.421.2 inches1.39 inches1.78 inches1.39 inches
Touchn/a
TypeOLEDOLEDMIPAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables