Fitbit Ionic vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple SE

 
Ionic
Grayson
Watch Series 4
Grayson
T-Rex
SE
 FitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$299$350$329$350$140$279
Release201720182018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hoursNot Yet24 hours20 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454384 x 480453x454360 x 360384 x 480
Size1.421.39 inches1.78 inches1.39 inches1.3 inches40mm
Touch
TypeOLEDAMOLEDMicroLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance50m1 ATMNot Yet1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearWatch OS 5Android WearBuild-inWatchOS 5
Apps
Music

All Wearables