Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Fenix 5x Plus vs. Garmin Vivofit 4 vs. Garmin Forerunner 45

 
Flex 2
WSD-F20A
Fenix 5x Plus
Vivofit 4
Forerunner 45
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminFenix 5x PlusRemove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$399$850$79.95$199
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day20 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 24088 x 88208 x 208
Sizen/a1.32 inches1.2 inchesNA1.04 inches
Touchn/a
TypeLEDLCDMIPNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSBuilt-in
Apps
Music

All Wearables