Garmin Forerunner 225 vs. Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Charge HR vs. Garmin Vivosmart 3

 
Forerunner 225
Ionic
645 Music
Charge HR
Vivosmart 3
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$300$299$450$150$139.99
Release20152017201820152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ days7 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x250240 x 240NA64 x 128
Size1 inch1.421.2 inchesNANA
TouchNA
Typen/aOLEDMIPOLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSNA
Appsn/a
Musicn/a

All Wearables