Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch 8 vs. Apple Series 6

 
ZenWatch
645 Music
Alta HR
Watch 8
Series 6
 AsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$450$150$499$399
Release20142018201720222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA7 days7 days18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240128 x 36340 x 272 or 390 x 312384 x 480
Size1.63 inches1.2 inches1.4 inches1.5 inches or 1.65 inches40mm
Touch
TypeAMOLEDMIPOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearWatchOS 9WatchOS 5
Apps
Music

All Wearables