Polar M600 vs. TomTom Spark vs. Garmin 645 Music vs. Misfit Flash Cyclist Edition vs. Amazfit GTR

 
M600
Spark
645 Music
Flash Cyclist Edition
GTR
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowGarmin645 MusicRemove Buy NowMisfitFlash Cyclist EditionRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$150$450$50$199
Release20162015201820152019

Activity & Fitness

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

Battery

Duration2 daysn/a7 days6 months24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution240 x 240n/a240 x 240NA454 x 454
Size1.3 inchesn/a1.2 inchesNA1.39 inches
Touchn/aNA
TypeTFTLCDMIPNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
Music

All Wearables