Polar M600 vs. Misfit Flash vs. Polar M430 vs. Garmin 645 Music vs. Fitbit Charge 3

 
M600
Flash
M430
645 Music
Charge 3
 PolarM600Remove Buy NowMisfitFlashRemove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$330$30$255$450$150
Release20162014201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months30 hours7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a128x128240 x 24066 x 18
Size1.3 inchesn/a1.4 inch1.2 inches.721 inches
Touchn/an/a
TypeTFTn/aLCDMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATMWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables