Sony SmartBand 2 vs. Apple Watch Series 2 vs. Apple Watch vs. Jaybird Reign vs. Xiaomi Mi Band 4

 
SmartBand 2
Watch Series 2
Watch
Reign
Mi Band 4
 SonySmartBand 2Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowJaybirdReignRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$269$349$150$25
Release20152016201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours18 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312340 x 272 or 390 x 312NA120x240
Sizen/a1.5 inches or 1.65 inches1.5 inches or 1.65 inchesNA0.95 inches
Touchn/aNA
Typen/aAMOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585ATMIPX7NA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatch OSNAAMAZFIT OS
Apps
Music

All Wearables