Polar M600 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Michael Kors Access Runway vs. Amazfit GTR

 
M600
645 Music
Alta HR
Access Runway
GTR
 PolarM600Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$450$150$350$199
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days7 days1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240128 x 36390 x 390454 x 454
Size1.3 inches1.2 inches1.4 inches1.19 inches1.39 inches
Touchn/a
TypeTFTMIPOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSBuild-in
Apps
Music

All Wearables