Fitbit Alta vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivofit 4 vs. Apple Watch Ultra

 
Alta
645 Music
Chronos
Vivofit 4
Watch Ultra
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$450$1500$79.95$799
Release20162018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days8 days1 year36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240218 x 21888 x 88502x410 pixels
Sizen/a1.2 inches1.2 inchesNA1.92 inches
Touchn/a
TypeOLEDMIPMIPNA

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM10 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWatchOS 9
Apps
Music

All Wearables