Samsung Gear S2 vs. Fossil Q Dreamer vs. Polar Loop 2 vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Gear S2
Q Dreamer
Loop 2
Alta HR
Vivosmart 4
 SamsungGear S2Remove Buy NowFossilQ DreamerRemove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$125$120$150$130
Release20152015201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days7 days8 days (without notifications)7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/an/a128 x 3648 x 128
Size1.2 inchesn/an/a1.4 inches0.74 inches
Touchn/a
TypeSuper AMOLEDn/aLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP672 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/a
Apps
Music

All Wearables