Fitbit Alta vs. Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Asus VivoWatch vs. Garmin 645 Music

 
Alta
Flex 2
Vivofit 3
VivoWatch
645 Music
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$130$100$100$160$450
Release20162016201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 year24 hours to 10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a64 x 64128 x 128240 x 240
Sizen/an/a0.55 inchesNA1.2 inches
Touchn/an/a
TypeOLEDLEDn/aNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aKoodOS
Apps
Music

All Wearables