Polar M400 vs. Misfit Flash Link vs. LG Watch Sport vs. Garmin 645 Music vs. Garmin VivoActive 4

 
M400
Flash Link
Watch Sport
645 Music
VivoActive 4
 PolarM400Remove Buy NowMisfitFlash LinkRemove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$20$349$450$349
Release20142015201620182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1.45 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a480 x 480240 x 240260 x 260
Sizen/an/a1.38 inches1.2 inches1.3ionches
Touchn/a
Typen/an/aP-OLEDMIPMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OS
Apps
Music

All Wearables