Casio G-Shock GBA800 vs. Fitbit Inspire HR vs. Amazfit GTR vs. Apple Series 6 vs. Apple Watch Ultra

 
G-Shock GBA800
Inspire HR
GTR
Series 6
Watch Ultra
 CasioG-Shock GBA800Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$120$99$199$399$799
Release20182019201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years5 days24 daysNot yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution139 x 60454 x 454384 x 480502x410 pixels
Size1.4 inches1.39 inches40mm1.92 inches
Touch
TypeOLEDAMOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance20 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-inWatchOS 5WatchOS 9
Apps
Music

All Wearables