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

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

Basic Info

Suggested Price$200$599.99$850$150$100
Release20142017201820152013

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 Weeks20 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x 240NANA
Sizen/a1.2 inches1.2 inchesNANA
TouchNANA
Typen/anaMIPOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables