Garmin Forerunner 225 vs. Garmin Vivoactive vs. Garmin 645 Music vs. Garmin Vivosmart 4 vs. Fitbit Inspire HR

 
Forerunner 225
Vivoactive
645 Music
Vivosmart 4
Inspire HR
 GarminForerunner 225Remove Buy NowGarminVivoactiveRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$250$450$130$99
Release20152015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks14 hours to 11 days7 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180205 x 148240 x 24048 x 128139 x 60
Size1 inch1.38 inches1.2 inches0.74 inches1.4 inches
Touch
Typen/aLCDMIPOLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OS
Appsn/a
Musicn/a

All Wearables