Samsung Gear S2 vs. Fitbit Alta vs. Amazfit GTR vs. Amazfit GTS

 
Gear S2
Alta
GTR
GTS
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowAmazfitGTRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$130$199$150
Release2015201620192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days24 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a454 x 454348 x 442
Size1.2 inchesn/a1.39 inches1.65 inches
Touchn/a
TypeSuper AMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aBuild-inWear OS
Apps
Music

All Wearables