Polar M600 vs. TomTom Spark vs. Fitbit Alta vs. Garmin 645 Music vs. Fitbit Alta HR

 
M600
Spark
Alta
645 Music
Alta HR
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$330$150$130$450$150
Release20162015201620182017

Activity & Fitness

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

Battery

Duration2 daysn/a5 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a240 x 240128 x 36
Size1.3 inchesn/an/a1.2 inches1.4 inches
Touchn/an/a
TypeTFTLCDOLEDMIPOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/a
Apps
Music

All Wearables