Garmin Forerunner 225 vs. Casio WSD-F20A vs. Fitbit Versa vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Forerunner 225
WSD-F20A
Versa
Forerunner 45
T-Rex
 GarminForerunner 225Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$399$199.99$199$140
Release20152018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks1 day4 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 320300 x300208 x 208360 x 360
Size1 inch1.32 inches1.34 inches1.04 inches1.3 inches
Touch
Typen/aLCDOLEDLCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWear OSBuilt-inBuild-in
Appsn/a
Musicn/a

All Wearables