Apple Watch Series 3 vs. Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Apple Watch Series 4 vs. Apple Watch Ultra

 
Watch Series 3
Charge 2
G-Shock GBA800
Watch Series 4
Watch Ultra
 AppleWatch Series 3Remove Buy NowFitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$150$120$329$799
Release20172016201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days2 yearsNot Yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a384 x 480502x410 pixels
Size1.5 inches or 1.65 inchesn/a1.78 inches1.92 inches
Touchn/a
TypeAMOLEDOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a20 ATMNot Yet10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OS 5WatchOS 9
Apps
Music

All Wearables