Casio WSD-F20A vs. Diesel On Full Guard vs. Garmin Forerunner 235 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
WSD-F20A
On Full Guard
Forerunner 235
T-Rex
Inspire 3
 CasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$399$325$299.99$140$100
Release20182017201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 day9 days20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x 454215 x 180360 x 36032x18
Size1.32 inches1.4 inches1.23 inches1.3 inches46 inches
Touch
TypeLCDOMOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables