Samsung Gear S2 vs. Withings Activite Pop vs. Fitbit Alta vs. Sony SmartBand vs. Amazfit T-Rex

 
Gear S2
Activite Pop
Alta
SmartBand
T-Rex
 SamsungGear S2Remove Buy NowWithingsActivite PopRemove Buy NowFitbitAltaRemove Buy NowSonySmartBandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$150$130$100$140
Release20152015201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months5 days5 days20 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
Resolution360 x 360n/an/aNA360 x 360
Size1.2 inches1.3 inchesn/aNA1.3 inches
Touchn/aNA
TypeSuper AMOLEDAnalogOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMn/aIP585 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/an/aNABuild-in
Apps
Music

All Wearables