Polar M400 vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Misfit Flash Cyclist Edition vs. Apple SE

 
M400
645 Music
Vivofit 4
Flash Cyclist Edition
SE
 PolarM400Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowMisfitFlash Cyclist EditionRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$450$79.95$50$279
Release20142018201820152020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days1 year6 months18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a240 x 24088 x 88NA384 x 480
Sizen/a1.2 inchesNANA40mm
TouchNA
Typen/aMIPNANAMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 5
Apps
Music

All Wearables