Polar M400 vs. Samsung Gear S vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
M400
Gear S
Grayson
Moto 360 (1st Gen)
Forerunner 45
Grayson
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$250$350$150$199$350
Release201420132018201420192018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a24 hours1 day7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360453 x 454320 x 260208 x 208453x454
Sizen/a2 inches1.39 inches1.56 inches1.04 inches1.39 inches
Touch
Typen/aSuper AMOLEDAMOLEDLCDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATMIP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid WearAndroid WearBuilt-inAndroid Wear
Apps
MusicNA

All Wearables