Samsung Gear S vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Gear S
Vivosmart HR
Grayson
Grayson
Inspire HR
T-Rex
 SamsungGear SRemove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$170$350$350$99$140
Release201320152018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days24 hours24 hours5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360160 x 68453 x 454453x454139 x 60360 x 360
Size2 inches1.08 inches1.39 inches1.39 inches1.4 inches1.3 inches
Touch
TypeSuper AMOLEDn/aAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aAndroid WearAndroid WearFitbit OSBuild-in
Apps
Music

All Wearables