Garmin Fenix 3 vs. Fitbit Alta vs. Fitbit Flex vs. Apple Watch 8 vs. Apple Series 6

 
Fenix 3
Alta
Flex
Watch 8
Series 6
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$130$100$499$399
Release20152016201320222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks5 days5 days18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/aNA340 x 272 or 390 x 312384 x 480
Size1.2 inchesn/aNA1.5 inches or 1.65 inches40mm
Touchn/aNA
TypeChroma LEDOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance10 ATMn/a1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWatchOS 9WatchOS 5
Apps
Music

All Wearables