Fitbit Ionic vs. Amazfit Cor vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Ionic
Cor
645 Music
Vivoactive 3
Grayson
Grayson
 FitbitIonicRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$299$79.99$450$299$350$350
Release201720182018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days12 days7 days7 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25080 x 160240 x 240240 x 240453 x 454453x454
Size1.421.23 inches1.2 inches1.2 inches1.39 inches1.39 inches
Touch
TypeOLEDIPS LCDMIPMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearAndroid Wear
Apps
Music

All Wearables