Garmin Forerunner 225 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Garmin 645 Music

 
Forerunner 225
Alta
Watch Series 2
ZenWatch
645 Music
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$130$269$150$450
Release20152016201620142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days18 hoursNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a340 x 272 or 390 x 312320 x 320240 x 240
Size1 inchn/a1.5 inches or 1.65 inches1.63 inches1.2 inches
Touchn/a
Typen/aOLEDAMOLEDAMOLEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATMIP555 ATM

Notifications

Phonen/a
Emailsn/an/aNA
Textsn/aNA

Software

Operating Systemn/an/aWatch OSAndroid Wear
Appsn/a
Musicn/a

All Wearables