Samsung Gear S2 vs. Fitbit Alta vs. Fitbit Charge 3 vs. Sony SmartBand vs. Michael Kors Access Sofie HR

 
Gear S2
Alta
Charge 3
SmartBand
Access Sofie HR
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowSonySmartBandRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$300$130$150$100$395
Release20152016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCNA
Wi-Fi

Display

ColorNA
Resolution360 x 360n/a66 x 18NA390 x 390
Size1.2 inchesn/a.721 inchesNA1.19 inches
Touchn/aNA
TypeSuper AMOLEDOLEDOLEDNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATMIP580.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNANAWear OS
Apps
Music

All Wearables