Garmin Forerunner 225 vs. Fitbit Alta vs. Asus ZenWatch vs. Garmin 645 Music

 
Forerunner 225
Alta
ZenWatch
645 Music
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$130$150$450
Release2015201620142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a320 x 320240 x 240
Size1 inchn/a1.63 inches1.2 inches
Touchn/a
Typen/aOLEDAMOLEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP555 ATM

Notifications

Phonen/a
Emailsn/an/aNA
Textsn/aNA

Software

Operating Systemn/an/aAndroid Wear
Appsn/a
Musicn/a

All Wearables