Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Misfit Ray vs. Garmin 645 Music vs. Garmin Vivosmart 4

 
Forerunner 225
Flex 2
Ray
645 Music
Vivosmart 4
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowMisfitRayRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$100$100$450$130
Release20152016201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days6 months7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution180 x 180n/an/a240 x 24048 x 128
Size1 inchn/an/a1.2 inches0.74 inches
Touchn/an/a
Typen/aLEDLEDMIPOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Appsn/a
Musicn/a

All Wearables