Fitbit Flex 2 vs. Garmin Fenix 5s vs. Casio WSD-F20A vs. Garmin Vivofit 4 vs. Amazfit GTR

 
Flex 2
Fenix 5s
WSD-F20A
Vivofit 4
GTR
 FitbitFlex 2Remove Buy NowGarminFenix 5sRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$599.99$399$79.95$199
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 9 days1 day1 year24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a218x 218320 x 32088 x 88454 x 454
Sizen/a1.1 inches1.32 inchesNA1.39 inches
Touchn/a
TypeLEDnaLCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables