Polar M400 vs. Polar Loop 2 vs. Asus VivoWatch vs. Michael Kors Access Sofie vs. Garmin VivoActive 4

 
M400
Loop 2
VivoWatch
Access Sofie
VivoActive 4
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowAsusVivoWatchRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$120$160$395$349
Release20142015201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)24 hours to 10 days1 day8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 128390 x 390 1.19 inches260 x 260
Sizen/an/aNA1.3ionches
TouchAMOLDED
Typen/aLEDNAMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATM2 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables