Garmin Forerunner 735XT vs. Amazfit Cor vs. Casio WSD-F20A vs. Fitbit Flex vs. Amazfit T-Rex

 
Forerunner 735XT
Cor
WSD-F20A
Flex
T-Rex
 GarminForerunner 735XTRemove Buy NowAmazfitCorRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$79.99$399$100$140
Release20162018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days12 days1 day5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 18080 x 160320 x 320NA360 x 360
Size1.23 inches1.23 inches1.32 inchesNA1.3 inches
Touchn/aNA
Typen/aIPS LCDLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuild-in
Apps
Music

All Wearables