Garmin Forerunner 225 vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Amazfit GTS

 
Forerunner 225
ZenWatch
Forerunner 235
Flex
GTS
 GarminForerunner 225Remove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$150$299.99$100$150
Release20152014201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeksNA9 days5 days14 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 320215 x 180NA348 x 442
Size1 inch1.63 inches1.23 inchesNA1.65 inches
TouchNA
Typen/aAMOLEDMIPLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aAndroid WearNAWear OS
Appsn/a
Musicn/a

All Wearables