Fitbit Alta vs. Apple Watch vs. Garmin 645 Music vs. Fitbit Charge HR vs. Garmin Vivofit 4

 
Alta
Watch
645 Music
Charge HR
Vivofit 4
 FitbitAltaRemove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$130$349$450$150$79.95
Release20162015201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240NA88 x 88
Sizen/a1.5 inches or 1.65 inches1.2 inchesNANA
Touchn/aNA
TypeOLEDAMOLEDMIPOLEDNA

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 OSNA
Apps
Music

All Wearables