Garmin Fenix 3 vs. Fitbit Ionic vs. LG Watch Sport vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Fenix 3
Ionic
Watch Sport
Grayson
Grayson
T-Rex
 GarminFenix 3Remove Buy NowFitbitIonicRemove Buy NowLGWatch SportRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$299$349$350$350$140
Release201520172016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks4+ days1.45 days24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218348x250480 x 480453 x 454453x454360 x 360
Size1.2 inches1.421.38 inches1.39 inches1.39 inches1.3 inches
Touch
TypeChroma LEDOLEDP-OLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM50mIP681 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2Android WearAndroid WearBuild-in
Apps
Music

All Wearables