Polar M400 vs. Asus ZenWatch vs. LG G Watch vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
M400
ZenWatch
G Watch
Grayson
A370
Grayson
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowLGG WatchRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$150$230$350$179.95$350
Release201420142014201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA1.5 days24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320280 x 280453 x 454160 x 80453x454
Sizen/a1.63 inches1.65 inches1.39 inches1.18 inches1.39 inches
Touch
Typen/aAMOLEDIPS LCDAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP55IP671 ATMWR301 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables