Polar M400 vs. Polar M600 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Withings Go

 
M400
M600
SmartWatch 3
Flash Link
Go
 PolarM400Remove Buy NowPolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlash LinkRemove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$200$330$250$20$80
Release20142016201420152016

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days2 days6 months8 months
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/a240 x 240320 x 320n/an/a
Sizen/a1.3 inches1.6 inchesn/an/a
Touchn/an/an/a
Typen/aTFTTFT LCDn/aE-Ink

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP683 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearAndroid Wearn/an/a
Appsn/a
Music

All Wearables