Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Samsung Live vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
M400
Vivosmart HR
Grayson
Live
Grayson
VivoActive 4
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungLiveRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$170$350$200$350$349
Release201420152018201420182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days24 hours1 Day24 hours8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68453 x 454320 x 320453x454260 x 260
Sizen/a1.08 inches1.39 inches1.63 inches1.39 inches1.3ionches
Touch
Typen/an/aAMOLEDSuper AMOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearAndroid WearWear OS
Apps
Music

All Wearables