Garmin Vivoactive vs. Fitbit Ionic vs. Garmin Fenix 5 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivoactive
Ionic
Fenix 5
Grayson
Grayson
T-Rex
 GarminVivoactiveRemove Buy NowFitbitIonicRemove Buy NowGarminFenix 5Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$299$599.99$350$350$140
Release201520172017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days4+ days2 Weeks24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148348x250240 x 240453 x 454453x454360 x 360
Size1.38 inches1.421.2 inches1.39 inches1.39 inches1.3 inches
Touch
TypeLCDOLEDnaAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m10 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables