Casio G-Shock GBA800 vs. Fitbit Charge HR vs. Amazfit Verge vs. Amazfit T-Rex vs. Apple Watch 7

 
G-Shock GBA800
Charge HR
Verge
T-Rex
Watch 7
 CasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitVergeRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$150$160$140$429
Release20182015201920192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years5 days5 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA454x454360 x 360396 x 484
SizeNA1.39 inches1.3 inches1.9 inches
TouchNA
TypeOLEDOMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM1 ATMIP685 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNAAMAZFIT OSBuild-inWatchOS 8
Apps
Music

All Wearables