Apple Watch Series 3 vs. Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Apple Watch 7

 
Watch Series 3
Cor
Grayson
Charge 3
Grayson
Watch 7
 AppleWatch Series 3Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$79.99$350$150$350$429
Release201720182018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours12 days24 hours7 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 31280 x 160453 x 45466 x 18453x454396 x 484
Size1.5 inches or 1.65 inches1.23 inches1.39 inches.721 inches1.39 inches1.9 inches
Touch
TypeAMOLEDIPS LCDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android WearNAAndroid WearWatchOS 8
Apps
Music

All Wearables