Fitbit Flex 2 vs. Apple Watch vs. Garmin Forerunner 45 vs. Apple Series 6 vs. Fitbit Inspire 3

 
Flex 2
Watch
Forerunner 45
Series 6
Inspire 3
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$349$199$399$100
Release20162015201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 daysNot yet10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312208 x 208384 x 48032x18
Sizen/a1.5 inches or 1.65 inches1.04 inches40mm46 inches
Touchn/a
TypeLEDAMOLEDLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSBuilt-inWatchOS 5
Apps
Music

All Wearables