Garmin Forerunner 225 vs. Fitbit Ionic vs. Amazfit Arc vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Forerunner 225
Ionic
Arc
645 Music
VivoActive 4
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$299$69.99$450$349
Release20152017201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ days20 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x25072 x40240 x 240260 x 260
Size1 inch1.420.42 inches1.2 inches1.3ionches
Touch
Typen/aOLEDOLEDMIPMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP675 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables