Fitbit Alta vs. Fitbit Charge 3 vs. Garmin Vivofit 4 vs. Garmin Forerunner 45 vs. Apple Series 6

 
Alta
Charge 3
Vivofit 4
Forerunner 45
Series 6
 FitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$150$79.95$199$399
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 year7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a66 x 1888 x 88208 x 208384 x 480
Sizen/a.721 inchesNA1.04 inches40mm
Touchn/a
TypeOLEDOLEDNALCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNABuilt-inWatchOS 5
Apps
Music

All Wearables