Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash vs. Misfit Speedo Shine 2 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
SmartWatch 3
Flash
Speedo Shine 2
Grayson
Grayson
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlashRemove Buy NowMisfitSpeedo Shine 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$30$80$350$350
Release201420142014201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months6 months24 hours24 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

Colorn/an/a
Resolutionn/a320 x 320n/an/a453 x 454453x454
Sizen/a1.6 inchesn/an/a1.39 inches1.39 inches
Touchn/an/a
Typen/aTFT LCDn/an/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP683 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables