Fitbit Alta vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR

 
Alta
645 Music
Watch Series 4
Access Sofie HR
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$450$329$395
Release2016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240384 x 480390 x 390
Sizen/a1.2 inches1.78 inches1.19 inches
Touchn/a
TypeOLEDMIPMicroLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMNot Yet0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OS 5Wear OS
Apps
Music

All Wearables