Fitbit Flex 2 vs. Garmin Vivosmart vs. Garmin 645 Music vs. Garmin Vivosport vs. Fitbit Sense 2

 
Flex 2
Vivosmart
645 Music
Vivosport
Sense 2
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosportRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$170$450$199$300
Release20162014201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7 days7 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16240 x 24072 x 144336x336
Sizen/a1.41 inches1.2 inchesNA1.59 inches
Touchn/a
TypeLEDOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables