Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Samsung Galaxy Watch vs. Apple Series 6

 
Flex 2
ZenWatch
WSD-F20A
Galaxy Watch
Series 6
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$150$399$330$399
Release20162014201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320320 x 320360 x 360384 x 480
Sizen/a1.63 inches1.32 inches1.2 inches or 1.3 inches40mm
Touchn/a
TypeLEDAMOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSTizen OSWatchOS 5
Apps
MusicSpotify

All Wearables