ASUS ZenWatch 2 vs. Garmin Vivoactive HR vs. Fitbit Ionic vs. Fitbit Charge vs. Apple Watch Ultra

 
ZenWatch 2
Vivoactive HR
Ionic
Charge
Watch Ultra
 ASUSZenWatch 2Remove Buy NowGarminVivoactive HRRemove Buy NowFitbitIonicRemove Buy NowFitbitChargeRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$250$299$130$799
Release20162016201720142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a13 hours to 8 days4+ days7-10 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320148 x 205348x250NA502x410 pixels
Size1.63 inches or 1.45 inch1.38 inches1.42NA1.92 inches
TouchNA
TypeAMOLEDn/aOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM50m1 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSNAWatchOS 9
Apps
Music

All Wearables