Garmin Forerunner 935 vs. Apple Watch vs. Casio WSD-F20A vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Forerunner 935
Watch
WSD-F20A
On Full Guard 2.5
T-Rex
 GarminForerunner 935Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$349$399$325$140
Release20172015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks18 hours1 day4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 312320 x 320454x454360 x 360
Size1.2 inches1.5 inches or 1.65 inches1.32 inches1.39 inches1.3 inches
Touch
TypeLCDAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSWear OSBuild-in
Apps
Music

All Wearables