Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Amazfit GTR vs. Amazfit GTS

 
Forerunner 225
Flex 2
ZenWatch
GTR
GTS
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowAmazfitGTRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$100$150$199$150
Release20152016201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 daysNA24 days14 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/a320 x 320454 x 454348 x 442
Size1 inchn/a1.63 inches1.39 inches1.65 inches
Touchn/a
Typen/aLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP555 ATM5 ATM

Notifications

Phonen/a
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aAndroid WearBuild-inWear OS
Appsn/a
Musicn/a

All Wearables