Fitbit Ionic vs. Asus VivoWatch vs. Garmin Fenix 5x Plus vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Ionic
VivoWatch
Fenix 5x Plus
Grayson
Grayson
T-Rex
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarminFenix 5x PlusRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$160$850$350$350$140
Release201720182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 days20 days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128240 x 240453 x 454453x454360 x 360
Size1.42NA1.2 inches1.39 inches1.39 inches1.3 inches
Touch
TypeOLEDNAMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIP6710 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSWear OSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables