Sony SmartBand 2 vs. Apple Watch vs. Michael Kors Access Sofie vs. Fitbit Alta HR vs. Xiaomi Mi Band 4

 
SmartBand 2
Watch
Access Sofie
Alta HR
Mi Band 4
 SonySmartBand 2Remove Buy NowAppleWatchRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$349$395$150$25
Release20152015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312390 x 390 1.19 inches128 x 36120x240
Sizen/a1.5 inches or 1.65 inches1.4 inches0.95 inches
Touchn/aAMOLDED
Typen/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP58IPX71 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2.0AMAZFIT OS
Apps
Music

All Wearables