Garmin Fenix 5 vs. Garmin Fenix 5s vs. Casio WSD-F20A vs. Fitbit Flex vs. Amazfit T-Rex

 
Fenix 5
Fenix 5s
WSD-F20A
Flex
T-Rex
 GarminFenix 5Remove Buy NowGarminFenix 5sRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$599.99$599.99$399$100$140
Release20172017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 WeeksUp to 9 days1 day5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240218x 218320 x 320NA360 x 360
Size1.2 inches1.1 inches1.32 inchesNA1.3 inches
TouchNA
TypenanaLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM10ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuild-in
Apps
Music

All Wearables