Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Michael Kors Grayson

 
M400
SmartWatch 3
Flash Link
Grayson
Vivosmart 3
Grayson
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlash LinkRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$20$350$139.99$350
Release201420142015201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320n/a453 x 45464 x 128453x454
Sizen/a1.6 inchesn/a1.39 inchesNA1.39 inches
Touchn/a
Typen/aTFT LCDn/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid WearAndroid Wear
Apps
Music

All Wearables