Fitbit Flex 2 vs. Garmin Fenix 5X vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Polar A370 vs. Michael Kors Grayson

 
Flex 2
Fenix 5X
Grayson
Vivofit 4
A370
Grayson
 FitbitFlex 2Remove Buy NowGarminFenix 5XRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$699$350$79.95$179.95$350
Release201620172018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 12 days24 hours1 yearUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x240453 x 45488 x 88160 x 80453x454
Sizen/a1.2 inches1.39 inchesNA1.18 inches1.39 inches
Touchn/a
TypeLEDNAAMOLEDNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM1 ATM5 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear
Apps
Music

All Wearables