Fitbit Alta HR vs. Fitbit Charge HR vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Alta HR
Charge HR
Forerunner 45
VivoActive 4
 FitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$150$199$349
Release2017201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA208 x 208260 x 260
Size1.4 inchesNA1.04 inches1.3ionches
TouchNA
TypeOLEDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuilt-inWear OS
Apps
Music

All Wearables