Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Asus VivoWatch vs. Garmin Vivofit 4 vs. Amazfit GTS

 
Forerunner 225
Flex 2
VivoWatch
Vivofit 4
GTS
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$100$160$79.95$150
Release20152016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days24 hours to 10 days1 year14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/a128 x 12888 x 88348 x 442
Size1 inchn/aNANA1.65 inches
Touchn/a
Typen/aLEDNANAAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aKoodOSWear OS
Appsn/a
Musicn/a

All Wearables