Polar M400 vs. Samsung Galaxy Watch vs. Garmin Vivosmart 3 vs. Polar A370 vs. Polar Loop

 
M400
Galaxy Watch
Vivosmart 3
A370
Loop
 PolarM400Remove Buy NowSamsungGalaxy WatchRemove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$330$139.99$179.95$100
Release20142018201720172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days5 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 36064 x 128160 x 80NA
Sizen/a1.2 inches or 1.3 inchesNA1.18 inchesNA
Touch
Typen/aAMOLEDOLEDTFT LCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNA
Apps
MusicSpotify

All Wearables