Polar M400 vs. Garmin Vivosmart HR vs. Garmin Chronos vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
M400
Vivosmart HR
Chronos
Alta HR
Vivosmart 4
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$170$1500$150$130
Release20142015201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days8 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68218 x 218128 x 3648 x 128
Sizen/a1.08 inches1.2 inches1.4 inches0.74 inches
Touch
Typen/an/aMIPOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables