Polar M400 vs. Casio WSD-F20A vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivofit 4 vs. Michael Kors Access Lexington 2

 
M400
WSD-F20A
Moto 360 (1st Gen)
Vivofit 4
Access Lexington 2
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Lexington 2Remove Buy Now

Basic Info

Suggested Price$200$399$150$79.95$350
Release20142018201420182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day1 day1 year2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 26088 x 88390 x 390
Sizen/a1.32 inches1.56 inchesNA1.2 inches
Touch
Typen/aLCDLCDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP675 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearWear OS
Apps
MusicNA

All Wearables