Apple Watch Series 3 vs. Casio WSD-F20A vs. Fitbit Versa vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Watch Series 3
WSD-F20A
Versa
Vivofit 4
T-Rex
 AppleWatch Series 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$399$199.99$79.95$140
Release20172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day4 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320300 x30088 x 88360 x 360
Size1.5 inches or 1.65 inches1.32 inches1.34 inchesNA1.3 inches
Touch
TypeAMOLEDLCDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSBuild-in
Apps
Music

All Wearables