Garmin Forerunner 225 vs. Asus ZenWatch vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Amazfit GTR

 
Forerunner 225
ZenWatch
Flex
Vivofit 4
GTR
 GarminForerunner 225Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$150$100$79.95$199
Release20152014201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeksNA5 days1 year24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 320NA88 x 88454 x 454
Size1 inch1.63 inchesNANA1.39 inches
TouchNA
Typen/aAMOLEDLEDNAAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP551 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aAndroid WearNABuild-in
Appsn/a
Musicn/a

All Wearables