Apple Watch Series 3 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch 7

 
Watch Series 3
Grayson
Charge 3
Grayson
re Grip
Watch 7
 AppleWatch Series 3Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$350$150$350$199$429
Release201720182018201820202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours24 hours7 days24 hours5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312453 x 45466 x 18453x454160 x 32396 x 484
Size1.5 inches or 1.65 inches1.39 inches.721 inches1.39 inches1.8 inches1.9 inches
Touch
TypeAMOLEDAMOLEDOLEDAMOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM1 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android WearNAAndroid WearNAWatchOS 8
Apps
Music

All Wearables