Fitbit Charge 2 vs. Fitbit One vs. Casio G-Shock GBA800 vs. Apple Watch Series 4 vs. Apple Watch 7

 
Charge 2
One
G-Shock GBA800
Watch Series 4
Watch 7
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$100$120$329$429
Release20162012201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days2 yearsNot Yet18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a384 x 480396 x 484
Sizen/an/a1.78 inches1.9 inches
Touchn/a
TypeOLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant20 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS 5WatchOS 8
Apps
Music

All Wearables