Samsung Gear S vs. Samsung Gear S2 vs. Fitbit Alta vs. Sony SmartBand vs. Amazfit GTR

 
Gear S
Gear S2
Alta
SmartBand
GTR
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowSonySmartBandRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$300$130$100$199
Release20132015201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days5 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

ColorNA
Resolution480 x 360360 x 360n/aNA454 x 454
Size2 inches1.2 inchesn/aNA1.39 inches
Touchn/aNA
TypeSuper AMOLEDSuper AMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68n/aIP585 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenTizenn/aNABuild-in
Apps
Music

All Wearables