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

 
Alta
WSD-F20A
On Full Guard
Forerunner 235
T-Rex
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$399$325$299.99$140
Release20162018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day9 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454 x 454215 x 180360 x 360
Sizen/a1.32 inches1.4 inches1.23 inches1.3 inches
Touchn/a
TypeOLEDLCDOMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables