Apple Watch Series 3 vs. Polar M400 vs. LG Watch Style vs. Garmin Vivosmart HR Plus vs. Apple Series 6

 
Watch Series 3
M400
Watch Style
Vivosmart HR Plus
Series 6
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowLGWatch StyleRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$200$249$179$399
Release20172014201720172020

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a360 x 360160 x 68384 x 480
Size1.5 inches or 1.65 inchesn/a1.2 inches0.5 inches x 0.8 inches40mm
Touch
TypeAMOLEDn/aP-OLEDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2NAWatchOS 5
Apps
Music

All Wearables