Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Apple Series 6

 
Charge 2
G-Shock GBA800
645 Music
Series 6
 FitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$120$450$399
Release2016201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240384 x 480
Sizen/a1.2 inches40mm
Touchn/a
TypeOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5
Apps
Music

All Wearables