Polar M400 vs. Fitbit Alta vs. LG Watch Sport vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivosmart 4

 
M400
Alta
Watch Sport
Moto 360 (1st Gen)
Vivosmart 4
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowLGWatch SportRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$130$349$150$130
Release20142016201620142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1.45 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480320 x 26048 x 128
Sizen/an/a1.38 inches1.56 inches0.74 inches
Touchn/a
Typen/aOLEDP-OLEDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIP68IP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2Android Wear
Apps
MusicNA

All Wearables