Fitbit Alta vs. Fitbit Charge 2 vs. Microsoft Band 2 vs. Xiaomi Mi Band 4

 
Alta
Charge 2
Band 2
Mi Band 4
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowMicrosoftBand 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$150$250$25
Release2016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours (without GPS)20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 128120x240
Sizen/an/a1.36 inches0.95 inches
Touchn/an/a
TypeOLEDOLEDCapacitative TFTAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/aIPX75 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAMAZFIT OS
Apps
Music

All Wearables