Garmin Fenix 3 vs. Garmin Vivosmart vs. Fitbit Ionic vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Fenix 3
Vivosmart
Ionic
Grayson
Watch Series 4
Grayson
 GarminFenix 3Remove Buy NowGarminVivosmartRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$500$170$299$350$329$350
Release201520142017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks7 days4+ days24 hoursNot Yet24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218128 x 16348x250453 x 454384 x 480453x454
Size1.2 inches1.41 inches1.421.39 inches1.78 inches1.39 inches
Touch
TypeChroma LEDOLEDOLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM50m1 ATMNot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables