Fitbit Ionic vs. Garmin Fenix 5s vs. Casio WSD-F20A vs. Garmin Fenix 5X vs. Fitbit Flex

 
Ionic
Fenix 5s
WSD-F20A
Fenix 5X
Flex
 FitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowCasioWSD-F20ARemove Buy NowGarminFenix 5XRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$299$599.99$399$699$100
Release20172017201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 9 days1 dayUp to 12 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218x 218320 x 320240 x240NA
Size1.421.1 inches1.32 inches1.2 inchesNA
TouchNA
TypeOLEDnaLCDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m10ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSNA
Apps
Music

All Wearables