Polar M400 vs. Fitbit Flex 2 vs. Misfit Ray vs. Garmin Chronos vs. Garmin Vivoactive 3

 
M400
Flex 2
Ray
Chronos
Vivoactive 3
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMisfitRayRemove Buy NowGarminChronosRemove Buy NowGarminVivoactive 3Remove Buy Now

Basic Info

Suggested Price$200$100$100$1500$299
Release20142016201620182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months8 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a218 x 218240 x 240
Sizen/an/an/a1.2 inches1.2 inches
Touchn/an/a
Typen/aLEDLEDMIPMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables