Garmin Forerunner 225 vs. Polar A360 vs. Fitbit Ionic vs. Amazfit Cor vs. Garmin 645 Music

 
Forerunner 225
A360
Ionic
Cor
645 Music
 GarminForerunner 225Remove Buy NowPolarA360Remove Buy NowFitbitIonicRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$200$299$79.99$450
Release20152015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks12 days4+ days12 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180160 x 80348x25080 x 160240 x 240
Size1 inch1.18 inches1.421.23 inches1.2 inches
Touch
Typen/an/aOLEDIPS LCDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR3050m5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables