Polar M400 vs. Asus VivoWatch vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
M400
VivoWatch
Vivoactive 3
Grayson
Vivofit 4
Grayson
 PolarM400Remove Buy NowAsusVivoWatchRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$160$299$350$79.95$350
Release201420182017201820182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours to 10 days7 days24 hours1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128240 x 240453 x 45488 x 88453x454
Sizen/aNA1.2 inches1.39 inchesNA1.39 inches
Touch
Typen/aNAMIPAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSAndroid WearAndroid Wear
Apps
Music

All Wearables