Garmin Forerunner 225 vs. Garmin Vivosmart vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
Forerunner 225
Vivosmart
WSD-F20A
Forerunner 235
T-Rex
 GarminForerunner 225Remove Buy NowGarminVivosmartRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$170$399$299.99$140
Release20152014201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 days1 day9 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128 x 16320 x 320215 x 180360 x 360
Size1 inch1.41 inches1.32 inches1.23 inches1.3 inches
Touch
Typen/aOLEDLCDMIPAMOLED

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/an/aWear OSBuild-in
Appsn/a
Musicn/a

All Wearables