ASUS ZenWatch 2 vs. Garmin Vivoactive vs. Polar M400 vs. Fitbit Ionic vs. Apple Watch Ultra

 
ZenWatch 2
Vivoactive
M400
Ionic
Watch Ultra
 ASUSZenWatch 2Remove Buy NowGarminVivoactiveRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$250$200$299$799
Release20162015201420172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a14 hours to 11 days8 hours to 30 days4+ days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320205 x 148n/a348x250502x410 pixels
Size1.63 inches or 1.45 inch1.38 inchesn/a1.421.92 inches
Touch
TypeAMOLEDLCDn/aOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATM50m10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aFitbit OSWatchOS 9
Apps
Music

All Wearables