Garmin Fenix 3 vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45

 
Fenix 3
Fenix 5x Plus
Flex
On Full Guard 2.5
Forerunner 45
 GarminFenix 3Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$500$850$100$325$199
Release20152018201320182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks20 days5 days4 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218240 x 240NA454x454208 x 208
Size1.2 inches1.2 inchesNA1.39 inches1.04 inches
TouchNA
TypeChroma LEDMIPLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM10 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OSBuilt-in
Apps
Music

All Wearables