Apple Watch Series 3 vs. Samsung Gear S vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. HTC re Grip

 
Watch Series 3
Gear S
Grayson
Grayson
T-Rex
re Grip
 AppleWatch Series 3Remove Buy NowSamsungGear SRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$250$350$350$140$199
Release201720132018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a24 hours24 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312480 x 360453 x 454453x454360 x 360160 x 32
Size1.5 inches or 1.65 inches2 inches1.39 inches1.39 inches1.3 inches1.8 inches
Touch
TypeAMOLEDSuper AMOLEDAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4TizenAndroid WearAndroid WearBuild-inNA
Apps
Music

All Wearables