Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Inspire HR vs. Apple Watch 8 vs. Apple Series 6

 
G-Shock GBA800
645 Music
Inspire HR
Watch 8
Series 6
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$120$450$99$499$399
Release20182018201920222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days5 days18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240139 x 60340 x 272 or 390 x 312384 x 480
Size1.2 inches1.4 inches1.5 inches or 1.65 inches40mm
Touch
TypeMIPOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance20 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatchOS 9WatchOS 5
Apps
Music

All Wearables