Fitbit Flex 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Fitbit Charge HR vs. Apple Watch Series 4

 
Flex 2
ZenWatch
G-Shock GBA800
Charge HR
Watch Series 4
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$150$120$150$329
Release20162014201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA2 years5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA384 x 480
Sizen/a1.63 inchesNA1.78 inches
Touchn/aNA
TypeLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP5520 ATM1 ATMNot Yet

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAWatch OS 5
Apps
Music

All Wearables