Polar M400 vs. Garmin Fenix 5x Plus vs. Fitbit Charge 3 vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
M400
Fenix 5x Plus
Charge 3
Flex
On Full Guard 2.5
 PolarM400Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$200$850$150$100$325
Release20142018201820132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 days7 days5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a240 x 24066 x 18NA454x454
Sizen/a1.2 inches.721 inchesNA1.39 inches
TouchNA
Typen/aMIPOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATM5 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANAWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables