Polar M400 vs. Withings Activite Sapphire vs. Polar Loop 2 vs. Garmin Chronos vs. Garmin VivoActive 4

 
M400
Activite Sapphire
Loop 2
Chronos
VivoActive 4
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowPolarLoop 2Remove Buy NowGarminChronosRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$450$120$1500$349
Release20142014201520182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months8 days (without notifications)8 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a218 x 218260 x 260
Sizen/a1.3 inchesn/a1.2 inches1.3ionches
Touch
Typen/aAnalogLEDMIPMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM2 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWear OS
Apps
Music

All Wearables