ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Fitbit Charge 2 vs. Amazfit Stratos vs. Fitbit Flex

 
ZenWatch 2
Forerunner 225
Charge 2
Stratos
Flex
 ASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowFitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$300$150$199$100
Release20162015201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 hours to 4 weeks5 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320180 x 180n/a320 x 300NA
Size1.63 inches or 1.45 inch1 inchn/a1.34 inchesNA
Touchn/aNA
TypeAMOLEDn/aOLEDOLEDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMn/a5 ATM1 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/an/aProprietaryNA
Appsn/a
Musicn/a

All Wearables