Samsung Gear S vs. Samsung Gear S2 vs. Fitbit Alta vs. Apple Watch Series 2

 
Gear S
Gear S2
Alta
Watch Series 2
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$250$300$130$269
Release2013201520162016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days5 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution480 x 360360 x 360n/a340 x 272 or 390 x 312
Size2 inches1.2 inchesn/a1.5 inches or 1.65 inches
Touchn/a
TypeSuper AMOLEDSuper AMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68n/a5ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenTizenn/aWatch OS
Apps
Music

All Wearables