Garmin Forerunner 225 vs. Fitbit Alta vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Apple Watch Series 4

 
Forerunner 225
Alta
Flex 2
ZenWatch 3
Watch Series 4
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$300$130$100$229$329
Release20152016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days5 days48 hoursNot Yet
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/an/a400 x 400384 x 480
Size1 inchn/an/a1.39 inches1.78 inches
Touchn/an/a
Typen/aOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMNot Yet

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/an/aAndroid Wear 2Watch OS 5
Appsn/a
Musicn/a

All Wearables