Fitbit Alta HR vs. Fitbit Flex vs. Garmin VivoActive 4 vs. Garmin Venu vs. Apple Series 6

 
Alta HR
Flex
VivoActive 4
Venu
Series 6
 FitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy NowGarminVenuRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$100$349$299$399
Release20172013201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days8 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA260 x 260390 x 390384 x 480
Size1.4 inchesNA1.3ionches1.2 inches40mm
TouchNA
TypeOLEDLEDMIPAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWear OS WatchOS 5
Apps
Music

All Wearables