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

 
Alta
Arc
645 Music
Access Sofie
Watch Series 4
 FitbitAltaRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$69.99$450$395$329
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days7 days1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40240 x 240390 x 390 1.19 inches384 x 480
Sizen/a0.42 inches1.2 inches1.78 inches
Touchn/aAMOLDED
TypeOLEDOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM1 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2.0Watch OS 5
Apps
Music

All Wearables