Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
G-Shock GBA800
Alta HR
Watch Series 5
T-Rex
Inspire 3
 CasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$120$150$329$140$100
Release20182017201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 daysNot Yet20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36384 x 480360 x 36032x18
Size1.4 inches1.78 Inches1.3 inches46 inches
Touch
TypeOLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 5Build-in
Apps
Music

All Wearables