TomTom Spark vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Spark
Vivosmart
Grayson
Watch Series 4
Grayson
T-Rex
 TomTomSparkRemove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$170$350$329$350$140
Release201520142018201820182019

Activity & Fitness

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

Battery

Durationn/a7 days24 hoursNot Yet24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16453 x 454384 x 480453x454360 x 360
Sizen/a1.41 inches1.39 inches1.78 inches1.39 inches1.3 inches
Touch
TypeLCDOLEDAMOLEDMicroLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNot Yet1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearWatch OS 5Android WearBuild-in
Apps
Music

All Wearables