Apple Watch Series 3 vs. Samsung Gear S vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Apple Series 6

 
Watch Series 3
Gear S
Grayson
Alta HR
Grayson
Series 6
 AppleWatch Series 3Remove Buy NowSamsungGear SRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$250$350$150$350$399
Release201720132018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a24 hours7 days24 hoursNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312480 x 360453 x 454128 x 36453x454384 x 480
Size1.5 inches or 1.65 inches2 inches1.39 inches1.4 inches1.39 inches40mm
Touch
TypeAMOLEDSuper AMOLEDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4TizenAndroid WearAndroid WearWatchOS 5
Apps
Music

All Wearables