Garmin Fenix 3 vs. Casio WSD-F20A vs. Garmin Chronos vs. Fitbit Flex vs. Apple Series 6

 
Fenix 3
WSD-F20A
Chronos
Flex
Series 6
 GarminFenix 3Remove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$399$1500$100$399
Release20152018201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks1 day8 days5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218320 x 320218 x 218NA384 x 480
Size1.2 inches1.32 inches1.2 inchesNA40mm
TouchNA
TypeChroma LEDLCDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance10 ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSNAWatchOS 5
Apps
Music

All Wearables