Fitbit Flex 2 vs. Fitbit One vs. Garmin Fenix 5 vs. Fitbit Flex vs. Garmin Forerunner 45

 
Flex 2
One
Fenix 5
Flex
Forerunner 45
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminFenix 5Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$100$599.99$100$199
Release20162012201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days2 Weeks5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NA208 x 208
Sizen/an/a1.2 inchesNA1.04 inches
Touchn/aNA
TypeLEDOLEDnaLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuilt-in
Apps
Music

All Wearables