Polar M400 vs. Garmin Vivosmart vs. LG G Watch vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
M400
Vivosmart
G Watch
Grayson
Gear 2
Grayson
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowLGG WatchRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$170$230$350$300$350
Release201420142014201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days1.5 days24 hours2-3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16280 x 280453 x 454320 x 320453x454
Sizen/a1.41 inches1.65 inches1.39 inches1.63 inches1.39 inches
Touch
Typen/aOLEDIPS LCDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP671 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables