Garmin Vivomove vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Vivomove
645 Music
Vivofit 4
Access Sofie HR
GTR
 GarminVivomoveRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$450$79.95$395$199
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year7 days1 year2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 24088 x 88390 x 390454 x 454
Sizen/a1.2 inchesNA1.19 inches1.39 inches
Touchn/a
Typen/aMIPNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM0.3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables