ASUS ZenWatch 2 vs. Garmin Vivoactive HR vs. Garmin 645 Music vs. Garmin Vivosmart 4 vs. Apple Watch Ultra

 
ZenWatch 2
Vivoactive HR
645 Music
Vivosmart 4
Watch Ultra
 ASUSZenWatch 2Remove Buy NowGarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$250$450$130$799
Release20162016201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a13 hours to 8 days7 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320148 x 205240 x 24048 x 128502x410 pixels
Size1.63 inches or 1.45 inch1.38 inches1.2 inches0.74 inches1.92 inches
Touch
TypeAMOLEDn/aMIPOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatchOS 9
Apps
Music

All Wearables