Amazfit Arc vs. Garmin 645 Music vs. Fitbit Charge HR vs. Michael Kors Access Sofie HR vs. Garmin VivoActive 4

 
Arc
645 Music
Charge HR
Access Sofie HR
VivoActive 4
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$69.99$450$150$395$349
Release20162018201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days5 days2 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240NA390 x 390260 x 260
Size0.42 inches1.2 inchesNA1.19 inches1.3ionches
TouchNA
TypeOLEDMIPOLEDOMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWear OS
Apps
Music

All Wearables