Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Garmin Vivofit 4 vs. Misfit Vapor 2

 
M400
SmartWatch 3
Flash Link
Vivofit 4
Vapor 2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlash LinkRemove Buy NowGarminVivofit 4Remove Buy NowMisfitVapor 2Remove Buy Now

Basic Info

Suggested Price$200$250$20$79.95$250
Release20142014201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months1 year1 day
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/a88 x 88454 x 454
Sizen/a1.6 inchesn/aNA1.42 inches
Touchn/a
Typen/aTFT LCDn/aNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP683 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aWear OS
Apps
Music

All Wearables