Fitbit Alta vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart HR Plus

 
Alta
ZenWatch
645 Music
Flex
Vivosmart HR Plus
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$130$150$450$100$179
Release20162014201820132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240NA160 x 68
Sizen/a1.63 inches1.2 inchesNA0.5 inches x 0.8 inches
Touchn/aNA
TypeOLEDAMOLEDMIPLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNANA
Apps
Music

All Wearables