Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Amazfit GTR

 
Charge 2
G-Shock GBA800
645 Music
Vivoactive 3
GTR
 FitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoactive 3Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$120$450$299$199
Release20162018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years7 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x 240454 x 454
Sizen/a1.2 inches1.2 inches1.39 inches
Touchn/a
TypeOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables