Samsung Gear S2 vs. Fitbit Alta vs. Fitbit Alta HR vs. Sony SmartBand vs. Apple Watch Series 4

 
Gear S2
Alta
Alta HR
SmartBand
Watch Series 4
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowSonySmartBandRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$300$130$150$100$329
Release20152016201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 360n/a128 x 36NA384 x 480
Size1.2 inchesn/a1.4 inchesNA1.78 inches
Touchn/aNA
TypeSuper AMOLEDOLEDOLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/aIP58Not Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNAWatch OS 5
Apps
Music

All Wearables