Fitbit Surge vs. Pebble Time Round vs. Samsung Gear S vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson

 
Surge
Time Round
Gear S
Grayson
Charge HR
Grayson
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowSamsungGear SRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$250$350$150$350
Release201620152013201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 daysn/a24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 360453 x 454NA453x454
Size1.26 inchesround2 inches1.39 inchesNA1.39 inches
TouchNA
TypeMonochrome LCDe-paperSuper AMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP671 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSTizenAndroid WearNAAndroid Wear
Apps
Music

All Wearables