Samsung Gear S2 vs. Samsung Galaxy Watch vs. Samsung Gear Sport vs. Fitbit Alta HR vs. Polar A370

 
Gear S2
Galaxy Watch
Gear Sport
Alta HR
A370
 SamsungGear S2Remove Buy NowSamsungGalaxy WatchRemove Buy NowSamsungGear SportRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$330$299.99$150$179.95
Release20152018201720172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days7 days2 days7 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360360 x 360360 x 360128 x 36160 x 80
Size1.2 inches1.2 inches or 1.3 inches1.2 inches1.4 inches1.18 inches
Touch
TypeSuper AMOLEDAMOLEDSuper AMOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizen OSTizen OS
Apps
MusicSpotify

All Wearables