Fitbit Flex 2 vs. Misfit Flash vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Garmin VivoActive 4

 
Flex 2
Flash
645 Music
Forerunner 235
VivoActive 4
 FitbitFlex 2Remove Buy NowMisfitFlashRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$30$450$299.99$349
Release20162014201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days9 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a240 x 240215 x 180260 x 260
Sizen/an/a1.2 inches1.23 inches1.3ionches
Touchn/an/a
TypeLEDn/aMIPMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables