Fitbit Alta vs. Garmin Forerunner 45 vs. Apple Watch 8 vs. Apple Series 6

 
Alta
Forerunner 45
Watch 8
Series 6
 FitbitAltaRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$199$499$399
Release2016201920222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a208 x 208340 x 272 or 390 x 312384 x 480
Sizen/a1.04 inches1.5 inches or 1.65 inches40mm
Touchn/a
TypeOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aBuilt-inWatchOS 9WatchOS 5
Apps
Music

All Wearables