Fitbit Surge vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Core vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson

 
Surge
Flex 2
Grayson
Core
On Full Guard 2.5
Grayson
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$100$350$99$325$350
Release201620162018201620182018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration7 days5 days24 hoursNA4 days24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NA454x454453x454
Size1.26 inchesn/a1.39 inchesNA1.39 inches1.39 inches
Touchn/aNA
TypeMonochrome LCDLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA3 ATM1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAWear OSAndroid Wear
Apps
Music

All Wearables