Casio G-Shock GBA800 vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Apple Watch 7 vs. Fitbit Sense 2

 
G-Shock GBA800
645 Music
Vivofit 4
Watch 7
Sense 2
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch 7Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$120$450$79.95$429$300
Release20182018201820212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days1 year18 Hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 24088 x 88396 x 484336x336
Size1.2 inchesNA1.9 inches1.59 inches
Touch
TypeMIPNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM5 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 8
Apps
Music

All Wearables