Fitbit Charge 2 vs. Casio WSD-F20A vs. Xiaomi Mi Band vs. Xiaomi Mi Band 4

 
Charge 2
WSD-F20A
Mi Band
Mi Band 4
 FitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowXiaomiMi BandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$399$15$25
Release2016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day30 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a320 x 320NA120x240
Sizen/a1.32 inchesNA0.95 inches
Touchn/aNA
TypeOLEDLCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAAMAZFIT OS
Apps
Music

All Wearables