Polar M400 vs. Samsung Gear S2 vs. Polar A360 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
M400
Gear S2
A360
Grayson
Gear 2
Grayson
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$300$200$350$300$350
Release201420152015201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days12 days24 hours2-3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360160 x 80453 x 454320 x 320453x454
Sizen/a1.2 inches1.18 inches1.39 inches1.63 inches1.39 inches
Touch
Typen/aSuper AMOLEDn/aAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68WR301 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables