Polar M400 vs. Apple Watch Series 2 vs. LG Watch Sport vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
M400
Watch Series 2
Watch Sport
Grayson
Gear 2
Grayson
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowLGWatch SportRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$269$349$350$300$350
Release201420162016201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours1.45 days24 hours2-3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312480 x 480453 x 454320 x 320453x454
Sizen/a1.5 inches or 1.65 inches1.38 inches1.39 inches1.63 inches1.39 inches
Touch
Typen/aAMOLEDP-OLEDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATMIP681 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Android WearTizen OSAndroid Wear
Apps
Music

All Wearables