Garmin Fenix 3 vs. Fitbit Alta vs. Fitbit Ionic vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Fenix 3
Alta
Ionic
Grayson
Vivofit 4
Grayson
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$500$130$299$350$79.95$350
Release201520162017201820182018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days4+ days24 hours1 year24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a348x250453 x 45488 x 88453x454
Size1.2 inchesn/a1.421.39 inchesNA1.39 inches
Touchn/a
TypeChroma LEDOLEDOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMn/a50m1 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid Wear
Apps
Music

All Wearables