Apple Watch Series 3 vs. Fitbit Flex 2 vs. Garmin VivoActive 4 vs. Apple Series 6

 
Watch Series 3
Flex 2
VivoActive 4
Series 6
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$100$349$399
Release2017201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a260 x 260384 x 480
Size1.5 inches or 1.65 inchesn/a1.3ionches40mm
Touchn/a
TypeAMOLEDLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSWatchOS 5
Apps
Music

All Wearables