Sony SmartBand 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Xiaomi Mi Band 4

 
SmartBand 2
Watch Series 2
ZenWatch 3
Mi Band 4
 SonySmartBand 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$269$229$25
Release2015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312400 x 400120x240
Sizen/a1.5 inches or 1.65 inches1.39 inches0.95 inches
Touchn/a
Typen/aAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2AMAZFIT OS
Apps
Music

All Wearables