Fitbit Charge 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Diesel On Full Guard 2.5 vs. Amazfit GTR

 
Charge 2
Ionic
G-Shock GBA800
On Full Guard 2.5
GTR
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$299$120$325$199
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days2 years4 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250454x454454 x 454
Sizen/a1.421.39 inches1.39 inches
Touchn/a
TypeOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m20 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSBuild-in
Apps
Music

All Wearables