Fitbit Ionic vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Amazfit GTR

 
Ionic
Cor
G-Shock GBA800
645 Music
GTR
 FitbitIonicRemove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$79.99$120$450$199
Release20172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days12 days2 years7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25080 x 160240 x 240454 x 454
Size1.421.23 inches1.2 inches1.39 inches
Touch
TypeOLEDIPS LCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-in
Apps
Music

All Wearables