Garmin Forerunner 225 vs. Garmin Forerunner 735XT vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Garmin 645 Music

 
Forerunner 225
Forerunner 735XT
Vivosmart HR
Ionic
645 Music
 GarminForerunner 225Remove Buy NowGarminForerunner 735XTRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$450$170$299$450
Release20152016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks14 hours to 11 days5 days4+ days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180215 x 180160 x 68348x250240 x 240
Size1 inch1.23 inches1.08 inches1.421.2 inches
Touchn/a
Typen/an/an/aOLEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables