Garmin Fenix 3 vs. Garmin Forerunner 735XT vs. Fitbit Flex 2 vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
Fenix 3
Forerunner 735XT
Flex 2
On Full Guard 2.5
Watch 7
 GarminFenix 3Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$500$450$100$325$429
Release20152016201620182021

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks14 hours to 11 days5 days4 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218215 x 180n/a454x454396 x 484
Size1.2 inches1.23 inchesn/a1.39 inches1.9 inches
Touchn/an/a
TypeChroma LEDn/aLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatchOS 8
Apps
Music

All Wearables