Garmin Fenix 3 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Diesel On Full Guard 2.5 vs. Amazfit GTR

 
Fenix 3
Flex 2
WSD-F20A
On Full Guard 2.5
GTR
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$500$100$399$325$199
Release20152016201820182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days1 day4 days24 days
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 320454x454454 x 454
Size1.2 inchesn/a1.32 inches1.39 inches1.39 inches
Touchn/a
TypeChroma LEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWear OSBuild-in
Apps
Music

All Wearables