Garmin Fenix 3 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Apple Series 6

 
Fenix 3
Flex 2
WSD-F20A
On Full Guard
Series 6
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$100$399$325$399
Release20152016201820172020

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days1 day1 dayNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218n/a320 x 320454 x 454384 x 480
Size1.2 inchesn/a1.32 inches1.4 inches40mm
Touchn/a
TypeChroma LEDLEDLCDOMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance10 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid Wear 2.0WatchOS 5
Apps
Music

All Wearables