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

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

Basic Info

Suggested Price$300$130$130$100$395
Release20152016201420142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7-10 days5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 360n/aNANA390 x 390
Size1.2 inchesn/aNANA1.19 inches
Touchn/aNANA
TypeSuper AMOLEDOLEDOLEDNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a1 ATMIP580.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNANAWear OS
Apps
Music

All Wearables