Fitbit Charge 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Apple Watch 8 vs. Apple Series 6

 
Charge 2
WSD-F20A
Charge
Watch 8
Series 6
 FitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$399$130$499$399
Release20162018201420222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7-10 days18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA340 x 272 or 390 x 312384 x 480
Sizen/a1.32 inchesNA1.5 inches or 1.65 inches40mm
Touchn/aNA
TypeOLEDLCDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 9WatchOS 5
Apps
Music

All Wearables