Garmin Forerunner 225 vs. Fitbit Alta vs. Amazfit Stratos vs. Asus ZenWatch vs. Fitbit Flex

 
Forerunner 225
Alta
Stratos
ZenWatch
Flex
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$130$199$150$100
Release20152016201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days5 daysNA5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a320 x 300320 x 320NA
Size1 inchn/a1.34 inches1.63 inchesNA
Touchn/aNA
Typen/aOLEDOLEDAMOLEDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMIP551 ATM

Notifications

Phonen/a
Emailsn/an/aNA
Textsn/aNA

Software

Operating Systemn/an/aProprietaryAndroid WearNA
Appsn/a
Musicn/a

All Wearables