Polar M400 vs. Huawei Watch 2 vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Sony SmartBand vs. Michael Kors Grayson

 
M400
Watch 2
Grayson
Moto 360 (1st Gen)
SmartBand
Grayson
 PolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$350$350$150$100$350
Release201420172018201420142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours24 hours1 day5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a480 x 480453 x 454320 x 260NA453x454
Sizen/a1.38 inches1.39 inches1.56 inchesNA1.39 inches
TouchNA
Typen/aP-OLEDAMOLEDLCDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP681 ATMIP67IP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables