Polar M400 vs. Garmin Vivosmart vs. Garmin Forerunner 45 vs. Skagen Falster 3 vs. Apple Series 6

 
M400
Vivosmart
Forerunner 45
Falster 3
Series 6
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowGarminForerunner 45Remove Buy NowSkagenFalster 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$170$199$295$399
Release20142014201920202020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days7 days1 dayNot 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 16208 x 208416 x 416384 x 480
Sizen/a1.41 inches1.04 inches1.28 inches40mm
Touch
Typen/aOLEDLCDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuilt-inWear OSWatchOS 5
Apps
Music

All Wearables