Casio WSD-F20A vs. Samsung Galaxy Watch vs. Fitbit Charge vs. Xiaomi Mi Band 4

 
WSD-F20A
Galaxy Watch
Charge
Mi Band 4
 CasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitChargeRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$399$330$130$25
Release2018201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days7-10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320360 x 360NA120x240
Size1.32 inches1.2 inches or 1.3 inchesNA0.95 inches
TouchNA
TypeLCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSTizen OSNAAMAZFIT OS
Apps
MusicSpotify

All Wearables