Garmin Forerunner 735XT vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Forerunner 735XT
WSD-F20A
Watch Series 4
Vivosmart 4
T-Rex
 GarminForerunner 735XTRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$399$329$130$140
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days1 dayNot Yet7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180320 x 320384 x 48048 x 128360 x 360
Size1.23 inches1.32 inches1.78 inches0.74 inches1.3 inches
Touchn/a
Typen/aLCDMicroLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5Build-in
Apps
Music

All Wearables