Samsung Gear S2 vs. Withings Activite Sapphire vs. Fitbit Alta HR vs. Polar Loop vs. Garmin Forerunner 45

 
Gear S2
Activite Sapphire
Alta HR
Loop
Forerunner 45
 SamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$450$150$100$199
Release20152014201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months7 days5 days7 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

Color
Resolution360 x 360n/a128 x 36NA208 x 208
Size1.2 inches1.3 inches1.4 inchesNA1.04 inches
Touch
TypeSuper AMOLEDAnalogOLEDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNABuilt-in
Apps
Music

All Wearables