Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Watch Series 2
G-Shock GBA800
On Full Guard
On Full Guard 2.5
T-Rex
 AppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$269$120$325$325$140
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 years1 day4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312454 x 454454x454360 x 360
Size1.5 inches or 1.65 inches1.4 inches1.39 inches1.3 inches
Touch
TypeAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM20 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid Wear 2.0Wear OSBuild-in
Apps
Music

All Wearables