Samsung Gear S2 vs. Fitbit Alta vs. Withings Pulse Ox vs. Fitbit Alta HR vs. Fitbit Charge 3

 
Gear S2
Alta
Pulse Ox
Alta HR
Charge 3
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowWithingsPulse OxRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$300$130$120$150$150
Release20152016201420172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days2 weeks7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCNA
Wi-Fi

Display

Colorblue
Resolution360 x 360n/a128 x 32128 x 3666 x 18
Size1.2 inchesn/an/a1.4 inches.721 inches
Touchn/aSwipe
TypeSuper AMOLEDOLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/an/aNA
Apps
Music

All Wearables