Garmin Vivoactive vs. Fitbit One vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
Vivoactive
One
WSD-F20A
Forerunner 235
T-Rex
 GarminVivoactiveRemove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$100$399$299.99$140
Release20152012201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days10-14 days1 day9 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/a320 x 320215 x 180360 x 360
Size1.38 inchesn/a1.32 inches1.23 inches1.3 inches
Touch
TypeLCDOLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables