Polar M400 vs. Microsoft Band 2 vs. Asus ZenWatch vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Michael Kors Grayson

 
M400
Band 2
ZenWatch
Grayson
Moto 360 (1st Gen)
Grayson
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$150$350$150$350
Release201420152014201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)NA24 hours1 day24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128320 x 320453 x 454320 x 260453x454
Sizen/a1.36 inches1.63 inches1.39 inches1.56 inches1.39 inches
Touch
Typen/aCapacitative TFTAMOLEDAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX7IP551 ATMIP671 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearAndroid WearAndroid WearAndroid Wear
Apps
MusicNA

All Wearables