Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Fitbit Charge vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
G-Shock GBA800
On Full Guard
Charge
Charge 3
T-Rex
 CasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$325$130$150$140
Release20182017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years1 day7-10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution454 x 454NA66 x 18360 x 360
Size1.4 inchesNA.721 inches1.3 inches
TouchNA
TypeOMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATMIP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0NANABuild-in
Apps
Music

All Wearables