Apple Watch vs. Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Watch
G-Shock GBA800
On Full Guard
Forerunner 45
T-Rex
 AppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$120$325$199$140
Release20152018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 years1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312454 x 454208 x 208360 x 360
Size1.5 inches or 1.65 inches1.4 inches1.04 inches1.3 inches
Touch
TypeAMOLEDOMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX720 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid Wear 2.0Built-inBuild-in
Apps
Music

All Wearables