Fitbit Flex 2 vs. Fitbit Charge 3 vs. Garmin Forerunner 45

 
Flex 2
Charge 3
Forerunner 45
 FitbitFlex 2Remove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$150$199
Release201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a66 x 18208 x 208
Sizen/a.721 inches1.04 inches
Touchn/a
TypeLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-in
Apps
Music

All Wearables