Polar M400 vs. LG Watch Sport vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Michael Kors Grayson vs. Apple Series 6

 
M400
Watch Sport
Grayson
Moto 360 (1st Gen)
Grayson
Series 6
 PolarM400Remove Buy NowLGWatch SportRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$349$350$150$350$399
Release201420162018201420182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.45 days24 hours1 day24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480453 x 454320 x 260453x454384 x 480
Sizen/a1.38 inches1.39 inches1.56 inches1.39 inches40mm
Touch
Typen/aP-OLEDAMOLEDLCDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATMIP681 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearAndroid WearAndroid WearWatchOS 5
Apps
MusicNA

All Wearables