Polar M400 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Misfit Vapor 2

 
M400
Grayson
Gear 2
Charge 3
Grayson
Vapor 2
 PolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowMisfitVapor 2Remove Buy Now

Basic Info

Suggested Price$200$350$300$150$350$250
Release201420182014201820182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours2-3 days7 days24 hours1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a453 x 454320 x 32066 x 18453x454454 x 454
Sizen/a1.39 inches1.63 inches.721 inches1.39 inches1.42 inches
Touch
Typen/aAMOLEDSuper AMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMIP675 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSNAAndroid WearWear OS
Apps
Music

All Wearables