Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin Vivosmart 3 vs. Garmin Vivosmart HR Plus vs. Garmin Forerunner 45

 
Flex 2
On Full Guard
Vivosmart 3
Vivosmart HR Plus
Forerunner 45
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarminVivosmart 3Remove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$325$139.99$179$199
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x 45464 x 128160 x 68208 x 208
Sizen/a1.4 inchesNA0.5 inches x 0.8 inches1.04 inches
Touchn/a
TypeLEDOMOLEDOLEDLCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NABuilt-in
Apps
Music

All Wearables