Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Samsung Galaxy Watch vs. Apple Series 6

 
M400
SmartWatch 3
Flash Link
Galaxy Watch
Series 6
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlash LinkRemove Buy NowSamsungGalaxy WatchRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$250$20$330$399
Release20142014201520182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320n/a360 x 360384 x 480
Sizen/a1.6 inchesn/a1.2 inches or 1.3 inches40mm
Touchn/a
Typen/aTFT LCDn/aAMOLEDMicroLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATMIP683 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aTizen OSWatchOS 5
Apps
MusicSpotify

All Wearables