Apple Watch Series 3 vs. Michael Kors Grayson vs. Fitbit Charge vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. HTC re Grip

 
Watch Series 3
Grayson
Charge
Watch Series 4
Grayson
re Grip
 AppleWatch Series 3Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$350$130$329$350$199
Release201720182014201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours24 hours7-10 daysNot Yet24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312453 x 454NA384 x 480453x454160 x 32
Size1.5 inches or 1.65 inches1.39 inchesNA1.78 inches1.39 inches1.8 inches
TouchNA
TypeAMOLEDAMOLEDOLEDMicroLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNot Yet1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android WearNAWatch OS 5Android WearNA
Apps
Music

All Wearables