Michael Kors Grayson vs. Samsung Galaxy Watch vs. Polar A370 vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Grayson
Galaxy Watch
A370
Watch Series 4
Grayson
T-Rex
 Michael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$330$179.95$329$350$140
Release201820182017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 daysUp to 3 daysNot Yet24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454360 x 360160 x 80384 x 480453x454360 x 360
Size1.39 inches1.2 inches or 1.3 inches1.18 inches1.78 inches1.39 inches1.3 inches
Touch
TypeAMOLEDAMOLEDTFT LCDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMWR30Not Yet1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizen OSWatch OS 5Android WearBuild-in
Apps
MusicSpotify

All Wearables