Garmin Forerunner 225 vs. Garmin 645 Music vs. Garmin Vivosmart 3 vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR

 
Forerunner 225
645 Music
Vivosmart 3
On Full Guard 2.5
Inspire HR
 GarminForerunner 225Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$450$139.99$325$99
Release20152018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 days5 days4 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180240 x 24064 x 128454x454139 x 60
Size1 inch1.2 inchesNA1.39 inches1.4 inches
Touch
Typen/aMIPOLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWear OSFitbit OS
Appsn/a
Musicn/a

All Wearables