Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Misfit Speedo Shine

 
Flex 2
645 Music
Forerunner 235
Vivofit 4
Speedo Shine
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowMisfitSpeedo ShineRemove Buy Now

Basic Info

Suggested Price$100$450$299.99$79.95$80
Release20162018201720182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days9 days1 year6 months
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a240 x 240215 x 18088 x 88NA
Sizen/a1.2 inches1.23 inchesNANA
Touchn/aNA
TypeLEDMIPMIPNANA

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/aNA
Apps
Music

All Wearables