Garmin Fenix 3 vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Fenix 3
Charge 2
Grayson
Flex
Grayson
Vivosmart 4
 GarminFenix 3Remove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$150$350$100$350$130
Release201520162018201320182018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days24 hours5 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a453 x 454NA453x45448 x 128
Size1.2 inchesn/a1.39 inchesNA1.39 inches0.74 inches
Touchn/aNA
TypeChroma LEDOLEDAMOLEDLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables