Polar M400 vs. Garmin Vivosmart HR vs. Garmin Fenix 5s vs. Diesel On Full Guard 2.5 vs. Apple Series 6

 
M400
Vivosmart HR
Fenix 5s
On Full Guard 2.5
Series 6
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowGarminFenix 5sRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$170$599.99$325$399
Release20142015201720182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 9 days4 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68218x 218454x454384 x 480
Sizen/a1.08 inches1.1 inches1.39 inches40mm
Touch
Typen/an/anaMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATM10ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 5
Apps
Music

All Wearables