Polar M400 vs. Garmin Vivofit 3 vs. Samsung Gear Fit2 vs. Samsung Gear 2 vs. Garmin Vivosmart 4

 
M400
Vivofit 3
Gear Fit2
Gear 2
Vivosmart 4
 PolarM400Remove Buy NowGarminVivofit 3Remove Buy NowSamsungGear Fit2Remove Buy NowSamsungGear 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$100$180$300$130
Release20142016201620142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 year3-4 days2-3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64432 x 216320 x 32048 x 128
Sizen/a0.55 inches1.5 inches1.63 inches0.74 inches
Touch
Typen/an/aSuper AMOLEDSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP68IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenTizen OS
Apps
Music

All Wearables