Fitbit Flex 2 vs. Asus VivoWatch vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivofit 4

 
Flex 2
VivoWatch
645 Music
Chronos
Vivofit 4
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$160$450$1500$79.95
Release20162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days8 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128240 x 240218 x 21888 x 88
Sizen/aNA1.2 inches1.2 inchesNA
Touchn/a
TypeLEDNAMIPMIPNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OS
Apps
Music

All Wearables