Fitbit Alta vs. ASUS ZenWatch 3 vs. Apple Watch vs. Garmin 645 Music vs. Apple Watch Series 4

 
Alta
ZenWatch 3
Watch
645 Music
Watch Series 4
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$229$349$450$329
Release20162017201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours18 hours7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400340 x 272 or 390 x 312240 x 240384 x 480
Sizen/a1.39 inches1.5 inches or 1.65 inches1.2 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OSWatch OS 5
Apps
Music

All Wearables