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

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

Basic Info

Suggested Price$500$399$130$100$399
Release20152018201420132020

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks1 day7-10 days5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218320 x 320NANA384 x 480
Size1.2 inches1.32 inchesNANA40mm
TouchNANA
TypeChroma LEDLCDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANAWatchOS 5
Apps
Music

All Wearables