Polar M400 vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Skagen Falster 2

 
M400
Alta HR
Forerunner 45
Falster 2
 PolarM400Remove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowSkagenFalster 2Remove Buy Now

Basic Info

Suggested Price$200$150$199$199
Release2014201720192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36208 x 208320 x 320
Sizen/a1.4 inches1.04 inches1.19 inches
Touch
Typen/aOLEDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWear OS
Apps
Music

All Wearables