Garmin Fenix 3 vs. Polar M400 vs. Garmin Vivosmart HR vs. Diesel On Full Guard 2.5 vs. Garmin VivoActive 4

 
Fenix 3
M400
Vivosmart HR
On Full Guard 2.5
VivoActive 4
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$500$200$170$325$349
Release20152014201520182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days5 days4 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a160 x 68454x454260 x 260
Size1.2 inchesn/a1.08 inches1.39 inches1.3ionches
Touch
TypeChroma LEDn/an/aMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWear OS
Apps
Music

All Wearables