Fitbit One vs. LG Watch Sport vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR vs. Amazfit T-Rex

 
One
Watch Sport
Grayson
Grayson
GTR
T-Rex
 FitbitOneRemove Buy NowLGWatch SportRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$349$350$350$199$140
Release201220162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1.45 days24 hours24 hours24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480453 x 454453x454454 x 454360 x 360
Sizen/a1.38 inches1.39 inches1.39 inches1.39 inches1.3 inches
Touch
TypeOLEDP-OLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP681 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearAndroid WearBuild-inBuild-in
Apps
Music

All Wearables