Polar M400 vs. Samsung Gear S vs. Garmin Vivosmart vs. Samsung Gear Fit2 vs. Fitbit Alta HR

 
M400
Gear S
Vivosmart
Gear Fit2
Alta HR
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowGarminVivosmartRemove Buy NowSamsungGear Fit2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$250$170$180$150
Release20142013201420162017

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a7 days3-4 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360128 x 16432 x 216128 x 36
Sizen/a2 inches1.41 inches1.5 inches1.4 inches
Touch
Typen/aSuper AMOLEDOLEDSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aTizen
Apps
Music

All Wearables