Polar M400 vs. Fitbit One vs. Fossil Q Dreamer vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
M400
One
Q Dreamer
Grayson
Gear 2
Grayson
 PolarM400Remove Buy NowFitbitOneRemove Buy NowFossilQ DreamerRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$100$125$350$300$350
Release201420122015201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days7 days24 hours2-3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a453 x 454320 x 320453x454
Sizen/an/an/a1.39 inches1.63 inches1.39 inches
Touchn/a
Typen/aOLEDn/aAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast ResistantIP671 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables