Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Apple Series 6

 
Flex 2
G-Shock GBA800
WSD-F20A
Charge 3
Series 6
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$120$399$150$399
Release20162018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years1 day7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 32066 x 18384 x 480
Sizen/a1.32 inches.721 inches40mm
Touchn/a
TypeLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables