Polar M400 vs. Casio WSD-F20A vs. Michael Kors Access Lexington 2 vs. Apple Watch 8

 
M400
WSD-F20A
Access Lexington 2
Watch 8
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess Lexington 2Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$399$350$499
Release2014201820192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day2 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320390 x 390340 x 272 or 390 x 312
Sizen/a1.32 inches1.2 inches1.5 inches or 1.65 inches
Touch
Typen/aLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 9
Apps
Music

All Wearables