Garmin Forerunner 225 vs. Polar M400 vs. LG Watch Sport vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Forerunner 225
M400
Watch Sport
645 Music
VivoActive 4
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$200$349$450$349
Release20152014201620182019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days1.45 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a480 x 480240 x 240260 x 260
Size1 inchn/a1.38 inches1.2 inches1.3ionches
Touch
Typen/an/aP-OLEDMIPMIP

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP685 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2Wear OS
Appsn/a
Musicn/a

All Wearables