Polar M600 vs. Fitbit Alta vs. Amazfit Arc vs. Garmin 645 Music vs. Fitbit Inspire HR

 
M600
Alta
Arc
645 Music
Inspire HR
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$330$130$69.99$450$99
Release20162016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days20 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a72 x40240 x 240139 x 60
Size1.3 inchesn/a0.42 inches1.2 inches1.4 inches
Touchn/an/a
TypeTFTOLEDOLEDMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/aIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aFitbit OS
Apps
Music

All Wearables