Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Apple Watch Series 4 vs. Apple SE

 
Charge 2
G-Shock GBA800
Flex
Watch Series 4
SE
 FitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$150$120$100$329$279
Release20162018201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years5 daysNot Yet18 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA384 x 480384 x 480
Sizen/aNA1.78 inches40mm
Touchn/aNA
TypeOLEDLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistancen/a20 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatch OS 5WatchOS 5
Apps
Music

All Wearables