Fitbit Alta vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Xiaomi Mi Band 4

 
Alta
SmartBand 2
ZenWatch 3
Mi Band 4
 FitbitAltaRemove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$130$229$25
Release2016201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days48 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400120x240
Sizen/an/a1.39 inches0.95 inches
Touchn/an/a
TypeOLEDn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP585 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2AMAZFIT OS
Apps
Music

All Wearables