Fitbit Flex 2 vs. Asus VivoWatch vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Fitbit Charge 3

 
Flex 2
VivoWatch
645 Music
Forerunner 235
Charge 3
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$160$450$299.99$150
Release20162018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days9 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128240 x 240215 x 18066 x 18
Sizen/aNA1.2 inches1.23 inches.721 inches
Touchn/a
TypeLEDNAMIPMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSNA
Apps
Music

All Wearables