Garmin Forerunner 225 vs. Fitbit Ionic vs. Garmin Fenix 5s vs. Asus ZenWatch vs. Garmin 645 Music

 
Forerunner 225
Ionic
Fenix 5s
ZenWatch
645 Music
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$299$599.99$150$450
Release20152017201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ daysUp to 9 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x250218x 218320 x 320240 x 240
Size1 inch1.421.1 inches1.63 inches1.2 inches
Touch
Typen/aOLEDnaAMOLEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m10ATMIP555 ATM

Notifications

Phonen/a
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aFitbit OSAndroid Wear
Appsn/a
Musicn/a

All Wearables