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

 
Alta
Watch
645 Music
Access Sofie
VivoActive 4
 FitbitAltaRemove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$349$450$395$349
Release20162015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days1 day8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240390 x 390 1.19 inches260 x 260
Sizen/a1.5 inches or 1.65 inches1.2 inches1.3ionches
Touchn/aAMOLDED
TypeOLEDAMOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2.0Wear OS
Apps
Music

All Wearables