Casio WSD-F20A vs. Garmin Forerunner 235 vs. Apple Watch Series 4 vs. Apple Watch Series 5 vs. Apple Series 6

 
WSD-F20A
Forerunner 235
Watch Series 4
Watch Series 5
Series 6
 CasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$399$299.99$329$329$399
Release20182017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day9 daysNot YetNot YetNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320215 x 180384 x 480384 x 480384 x 480
Size1.32 inches1.23 inches1.78 inches1.78 Inches40mm
Touch
TypeLCDMIPMicroLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMNot YetNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatch OS 5WatchOS 5WatchOS 5
Apps
Music

All Wearables