ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Amazfit GTR

 
ZenWatch 2
Ionic
Alta HR
Watch Series 5
GTR
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$299$150$329$199
Release20162017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days7 daysNot Yet24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250128 x 36384 x 480454 x 454
Size1.63 inches or 1.45 inch1.421.4 inches1.78 Inches1.39 inches
Touch
TypeAMOLEDOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750mNot Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSWatchOS 5Build-in
Apps
Music

All Wearables