ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Garmin Chronos vs. Fitbit Flex

 
ZenWatch 2
ZenWatch 3
Stratos
Chronos
Flex
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$229$199$1500$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours5 days8 days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400320 x 300218 x 218NA
Size1.63 inches or 1.45 inch1.39 inches1.34 inches1.2 inchesNA
TouchNA
TypeAMOLEDAMOLEDOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM10 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2ProprietaryWear OSNA
Apps
Music

All Wearables