TomTom Spark vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Spark
Vivosmart
Grayson
Charge HR
Grayson
VivoActive 4
 TomTomSparkRemove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$170$350$150$350$349
Release201520142018201520182019

Activity & Fitness

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

Battery

Durationn/a7 days24 hours5 days24 hours8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16453 x 454NA453x454260 x 260
Sizen/a1.41 inches1.39 inchesNA1.39 inches1.3ionches
TouchNA
TypeLCDOLEDAMOLEDOLEDAMOLEDMIP

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables