Apple Watch vs. Casio WSD-F20A vs. Fitbit Charge vs. Apple Watch 8 vs. Apple Series 6

 
Watch
WSD-F20A
Charge
Watch 8
Series 6
 AppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$349$399$130$499$399
Release20152018201420222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day7-10 days18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320NA340 x 272 or 390 x 312384 x 480
Size1.5 inches or 1.65 inches1.32 inchesNA1.5 inches or 1.65 inches40mm
TouchNA
TypeAMOLEDLCDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSNAWatchOS 9WatchOS 5
Apps
Music

All Wearables