Polar M400 vs. Polar Loop 2 vs. Garmin Fenix 5x Plus vs. Fitbit Charge HR vs. Fitbit Flex

 
M400
Loop 2
Fenix 5x Plus
Charge HR
Flex
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$120$850$150$100
Release20142015201820152013

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)20 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NANA
Sizen/an/a1.2 inchesNANA
TouchNANA
Typen/aLEDMIPOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM10 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables