Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
G-Shock GBA800
WSD-F20A
On Full Guard
Watch Series 4
T-Rex
 CasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$399$325$329$140
Release20182018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years1 day1 dayNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x 454384 x 480360 x 360
Size1.32 inches1.4 inches1.78 inches1.3 inches
Touch
TypeLCDOMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATMIP67Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0Watch OS 5Build-in
Apps
Music

All Wearables