Casio WSD-F20A vs. Apple Watch Series 4 vs. Apple Watch Series 5 vs. Apple Watch Ultra vs. Fitbit Sense 2

 
WSD-F20A
Watch Series 4
Watch Series 5
Watch Ultra
Sense 2
 CasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$399$329$329$799$300
Release20182018201920222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 dayNot YetNot Yet36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320384 x 480384 x 480502x410 pixels336x336
Size1.32 inches1.78 inches1.78 Inches1.92 inches1.59 inches
Touch
TypeLCDMicroLEDMicroLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNot YetNot Yet10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatch OS 5WatchOS 5WatchOS 9
Apps
Music

All Wearables