Polar M400 vs. Garmin Vivosmart vs. Garmin Fenix 5s Plus vs. Garmin Vivofit 4 vs. Apple Series 6

 
M400
Vivosmart
Fenix 5s Plus
Vivofit 4
Series 6
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowGarminFenix 5s PlusRemove Buy NowGarminVivofit 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$170$799$79.95$399
Release20142014201820182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days7 days1 yearNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16240 x 24088 x 88384 x 480
Sizen/a1.41 inches1.2 inchesNA40mm
Touch
Typen/aOLEDMIPNAMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 5
Apps
Music

All Wearables