Fitbit Ionic vs. Asus ZenWatch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Fossil Gen 5 Smartwatch Carlyle

 
Ionic
ZenWatch
Grayson
Grayson
T-Rex
Gen 5 Smartwatch Carlyle
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$299$150$350$350$140$295
Release201720142018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA24 hours24 hours20 days1 day
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320453 x 454453x454360 x 360328 x 328
Size1.421.63 inches1.39 inches1.39 inches1.3 inches1.3 inches
Touch
TypeOLEDAMOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP551 ATM1 ATM5 ATM3 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearAndroid WearAndroid WearBuild-inWear OS
Apps
Music

All Wearables