ASUS ZenWatch 3 vs. Amazfit Stratos vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Fitbit Flex

 
ZenWatch 3
Stratos
Fenix 5X
Forerunner 235
Flex
 ASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$229$199$699$299.99$100
Release20172018201720172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 daysUp to 12 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400320 x 300240 x240215 x 180NA
Size1.39 inches1.34 inches1.2 inches1.23 inchesNA
TouchNA
TypeAMOLEDOLEDNAMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2ProprietaryNA
Apps
Music

All Wearables