Polar M400 vs. Withings Activite Sapphire vs. Diesel On Full Guard vs. Skagen Falster 2 vs. Garmin Vivosmart 4

 
M400
Activite Sapphire
On Full Guard
Falster 2
Vivosmart 4
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowDieselOn Full GuardRemove Buy NowSkagenFalster 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$450$325$199$130
Release20142014201720192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months1 day1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454 x 454320 x 32048 x 128
Sizen/a1.3 inches1.4 inches1.19 inches0.74 inches
Touch
Typen/aAnalogOMOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables