Samsung Gear S vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple Watch 7

 
Gear S
Grayson
Galaxy Watch
Grayson
T-Rex
Watch 7
 SamsungGear SRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$250$350$330$350$140$429
Release201320182018201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a24 hours7 days24 hours20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360453 x 454360 x 360453x454360 x 360396 x 484
Size2 inches1.39 inches1.2 inches or 1.3 inches1.39 inches1.3 inches1.9 inches
Touch
TypeSuper AMOLEDAMOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid WearTizen OSAndroid WearBuild-inWatchOS 8
Apps
MusicSpotify

All Wearables