Pebble Steel vs. Polar M400 vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson

 
Steel
M400
Vivosmart
Grayson
Gear 2
Grayson
 PebbleSteelRemove Buy NowPolarM400Remove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$200$170$350$300$350
Release201420142014201820142018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days7 days24 hours2-3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a128 x 16453 x 454320 x 320453x454
Size1.26 inchesn/a1.41 inches1.39 inches1.63 inches1.39 inches
Touch
Typee-papern/aOLEDAMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables