Fitbit Alta HR vs. Sony SmartBand vs. Fitbit Versa 2 vs. Xiaomi Mi Band 4

 
Alta HR
SmartBand
Versa 2
Mi Band 4
 FitbitAlta HRRemove Buy NowSonySmartBandRemove Buy NowFitbitVersa 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$100$199$25
Release2017201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution128 x 36NA300 x 300120x240
Size1.4 inchesNA1.34 inches0.95 inches
TouchNA
TypeOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-inAMAZFIT OS
Apps
Music

All Wearables