Pebble Time Round vs. Polar M400 vs. Garmin Vivosmart HR vs. Misfit Flash vs. Garmin 645 Music

 
Time Round
M400
Vivosmart HR
Flash
645 Music
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMisfitFlashRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$200$200$170$30$450
Release20152014201520142018

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days5 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
Resolutionn/an/a160 x 68n/a240 x 240
Sizeroundn/a1.08 inchesn/a1.2 inches
Touchn/a
Typee-papern/an/an/aMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/a
Apps
Music

All Wearables