Garmin Fenix 3 vs. Polar M400 vs. Garmin Vivosmart vs. Misfit Flash Link vs. Garmin 645 Music

 
Fenix 3
M400
Vivosmart
Flash Link
645 Music
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowGarminVivosmartRemove Buy NowMisfitFlash LinkRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$500$200$170$20$450
Release20152014201420152018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days7 days6 months7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218n/a128 x 16n/a240 x 240
Size1.2 inchesn/a1.41 inchesn/a1.2 inches
Touchn/a
TypeChroma LEDn/aOLEDn/aMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/a
Apps
Music

All Wearables