Samsung Gear S2 vs. Sony SmartBand 2 vs. Fitbit Alta HR vs. Sony SmartBand vs. Amazfit GTR

 
Gear S2
SmartBand 2
Alta HR
SmartBand
GTR
 SamsungGear S2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitAlta HRRemove Buy NowSonySmartBandRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$130$150$100$199
Release20152015201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2 days7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/aNA
Resolution360 x 360n/a128 x 36NA454 x 454
Size1.2 inchesn/a1.4 inchesNA1.39 inches
Touchn/aNA
TypeSuper AMOLEDn/aOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP58IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNABuild-in
Apps
Music

All Wearables