Fitbit Charge 2 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Fitbit Flex vs. Apple Watch Series 4

 
Charge 2
ZenWatch 3
ZenWatch
Flex
Watch Series 4
 FitbitCharge 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$229$150$100$329
Release20162017201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursNA5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320NA384 x 480
Sizen/a1.39 inches1.63 inchesNA1.78 inches
Touchn/aNA
TypeOLEDAMOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATMNot Yet

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearNAWatch OS 5
Apps
Music

All Wearables