Fitbit Alta vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Instinct

 
Alta
ZenWatch
645 Music
Flex
Instinct
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$130$150$450$100$300
Release20162014201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240NA128 x 128
Sizen/a1.63 inches1.2 inchesNA0.9 inches
Touchn/aNA
TypeOLEDAMOLEDMIPLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM1 ATM10 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables