ASUS ZenWatch 2 vs. Garmin 645 Music vs. Fitbit Inspire HR vs. Amazfit GTR vs. Apple Watch Ultra

 
ZenWatch 2
645 Music
Inspire HR
GTR
Watch Ultra
 ASUSZenWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$450$99$199$799
Release20162018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days5 days24 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240139 x 60454 x 454502x410 pixels
Size1.63 inches or 1.45 inch1.2 inches1.4 inches1.39 inches1.92 inches
Touch
TypeAMOLEDMIPOLEDAMOLED

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 WearFitbit OSBuild-inWatchOS 9
Apps
Music

All Wearables