Casio WSD-F10 vs. Casio WSD-F20A vs. Garmin Chronos vs. Garmin Forerunner 235 vs. Fitbit Flex

 
WSD-F10
WSD-F20A
Chronos
Forerunner 235
Flex
 CasioWSD-F10Remove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$500$399$1500$299.99$100
Release20162018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Durationn/a1 day8 days9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Color
Resolutionn/a320 x 320218 x 218215 x 180NA
Sizen/a1.32 inches1.2 inches1.23 inchesNA
Touchn/aNA
TypeLCDLCDMIPMIPLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OSWear OSNA
Appsn/a
Musicn/a

All Wearables