Polar M400 vs. Garmin Vivosmart HR vs. Garmin Vivofit 4 vs. Samsung Gear Fit2 Pro vs. Garmin Forerunner 45

 
M400
Vivosmart HR
Vivofit 4
Gear Fit2 Pro
Forerunner 45
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowGarminVivofit 4Remove Buy NowSamsungGear Fit2 ProRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$170$79.95$199.99$199
Release20142015201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 year2 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 6888 x 88216 x 432208 x 208
Sizen/a1.08 inchesNA1.5 inches1.04 inches
Touch
Typen/an/aNAAMOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSBuilt-in
Apps
Music

All Wearables