Casio WSD-F20A vs. Fitbit Charge vs. Apple Watch Series 4 vs. Apple SE (2022) vs. Apple Series 6

 
WSD-F20A
Charge
Watch Series 4
SE (2022)
Series 6
 CasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSE (2022)Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$399$130$329$249$399
Release20182014201820222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7-10 daysNot YetNot yetNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolution320 x 320NA384 x 48040mm384 x 480
Size1.32 inchesNA1.78 inches40mm
TouchNALTPO OLED Retina
TypeLCDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor5 ATM
Water Resistance5 ATM1 ATMNot Yet

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWear OSNAWatch OS 5WatchOS 5
Apps
Music

All Wearables