Garmin Forerunner 225 vs. Fitbit Alta vs. Asus ZenWatch vs. Fitbit Alta HR vs. Apple Series 6

 
Forerunner 225
Alta
ZenWatch
Alta HR
Series 6
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$300$130$150$150$399
Release20152016201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 daysNA7 daysNot yet
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 320128 x 36384 x 480
Size1 inchn/a1.63 inches1.4 inches40mm
Touchn/a
Typen/aOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMn/aIP55

Notifications

Phonen/a
Emailsn/an/aNA
Textsn/aNA

Software

Operating Systemn/an/aAndroid WearWatchOS 5
Appsn/a
Musicn/a

All Wearables