Polar M400 vs. LG Watch Style vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
M400
Watch Style
Forerunner 45
VivoActive 4
 PolarM400Remove Buy NowLGWatch StyleRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$249$199$349
Release2014201720192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360208 x 208260 x 260
Sizen/a1.2 inches1.04 inches1.3ionches
Touch
Typen/aP-OLEDLCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Built-inWear OS
Apps
Music

All Wearables