Polar M600 vs. Misfit Ray vs. Garmin Chronos vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
M600
Ray
Chronos
Alta HR
Vivosmart 4
 PolarM600Remove Buy NowMisfitRayRemove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$100$1500$150$130
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months8 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a218 x 218128 x 3648 x 128
Size1.3 inchesn/a1.2 inches1.4 inches0.74 inches
Touchn/an/a
TypeTFTLEDMIPOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OS
Apps
Music

All Wearables