Garmin Fenix 3 vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin Forerunner 235 vs. Garmin Vivosmart 4

 
Fenix 3
Flex 2
On Full Guard
Forerunner 235
Vivosmart 4
 GarminFenix 3Remove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$100$325$299.99$130
Release20152016201720172018

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days1 day9 days7 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/a454 x 454215 x 18048 x 128
Size1.2 inchesn/a1.4 inches1.23 inches0.74 inches
Touchn/a
TypeChroma LEDLEDOMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0
Apps
Music

All Wearables