Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Fenix 5s Plus vs. Fitbit Charge

 
Flex 2
645 Music
Fenix 5s Plus
Charge
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5s PlusRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$100$450$799$130
Release2016201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240NA
Sizen/a1.2 inches1.2 inchesNA
Touchn/aNA
TypeLEDMIPMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables