Polar M400 vs. Sony SmartWatch 3 vs. Fitbit Charge 2 vs. Misfit Flash Link vs. Withings Go

 
M400
SmartWatch 3
Charge 2
Flash Link
Go
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitCharge 2Remove Buy NowMisfitFlash LinkRemove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$200$250$150$20$80
Release20142014201620152016

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 days6 months8 months
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/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/a320 x 320n/an/an/a
Sizen/a1.6 inchesn/an/an/a
Touchn/an/an/a
Typen/aTFT LCDOLEDn/aE-Ink

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68n/a3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables