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

 
Fenix 3
Alta
Grayson
Vivofit 4
Grayson
Vivosmart 4
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$130$350$79.95$350$130
Release201520162018201820182018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days24 hours1 year24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a453 x 45488 x 88453x45448 x 128
Size1.2 inchesn/a1.39 inchesNA1.39 inches0.74 inches
Touchn/a
TypeChroma LEDOLEDAMOLEDNAAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMn/a1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables