ASUS ZenWatch 2 vs. Amazfit Stratos vs. Asus VivoWatch vs. Fitbit Flex vs. Apple Watch Series 4

 
ZenWatch 2
Stratos
VivoWatch
Flex
Watch Series 4
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$199$160$100$329
Release20162018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days24 hours to 10 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 300128 x 128NA384 x 480
Size1.63 inches or 1.45 inch1.34 inchesNANA1.78 inches
TouchNA
TypeAMOLEDOLEDNALEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP675 ATMIP671 ATMNot Yet

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearProprietaryKoodOSNAWatch OS 5
Apps
Music

All Wearables