Polar M400 vs. Sony SmartWatch 3 vs. Microsoft Band 2 vs. Michael Kors Grayson vs. LG G Watch R vs. Michael Kors Grayson

 
M400
SmartWatch 3
Band 2
Grayson
G Watch R
Grayson
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$250$350$300$350
Release201420142015201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days48 hours (without GPS)24 hours2 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 128453 x 454320 x 320453x454
Sizen/a1.6 inches1.36 inches1.39 inches1.3 inches1.39 inches
Touch
Typen/aTFT LCDCapacitative TFTAMOLEDP-OLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IPX71 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables