Fitbit Alta vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Apple Watch 8

 
Alta
645 Music
Vivosmart HR Plus
Watch 8
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$450$179$499
Release2016201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240160 x 68340 x 272 or 390 x 312
Sizen/a1.2 inches0.5 inches x 0.8 inches1.5 inches or 1.65 inches
Touchn/a
TypeOLEDMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWatchOS 9
Apps
Music

All Wearables