Polar M400 vs. Sony SmartWatch 3 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Samsung Gear Sport vs. Michael Kors Grayson

 
M400
SmartWatch 3
Grayson
Gear 2
Gear Sport
Grayson
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowSamsungGear SportRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$350$300$299.99$350
Release201420142018201420172018

Activity & Fitness

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

Battery

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

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320453 x 454320 x 320360 x 360453x454
Sizen/a1.6 inches1.39 inches1.63 inches1.2 inches1.39 inches
Touch
Typen/aTFT LCDAMOLEDSuper AMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP681 ATMIP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearTizen OSTizen OSAndroid Wear
Apps
Music

All Wearables