Fitbit Alta HR vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. Apple Watch Series 5 vs. Apple Watch 8

 
Alta HR
Flex
Vivosmart 3
Watch Series 5
Watch 8
 FitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$100$139.99$329$499
Release20172013201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 daysNot Yet18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA64 x 128384 x 480340 x 272 or 390 x 312
Size1.4 inchesNANA1.78 Inches1.5 inches or 1.65 inches
TouchNA
TypeOLEDLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5WatchOS 9
Apps
Music

All Wearables