Fitbit Alta vs. ASUS ZenWatch 3 vs. Apple Watch vs. Garmin 645 Music vs. Fitbit Flex

 
Alta
ZenWatch 3
Watch
645 Music
Flex
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$229$349$450$100
Release20162017201520182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours18 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400340 x 272 or 390 x 312240 x 240NA
Sizen/a1.39 inches1.5 inches or 1.65 inches1.2 inchesNA
Touchn/aNA
TypeOLEDAMOLEDAMOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OSNA
Apps
Music

All Wearables