ASUS ZenWatch 3 vs. Apple Watch Series 4 vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Apple Watch 7

 
ZenWatch 3
Watch Series 4
Inspire HR
T-Rex
Watch 7
 ASUSZenWatch 3Remove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$229$329$99$140$429
Release20172018201920192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hoursNot Yet5 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400384 x 480139 x 60360 x 360396 x 484
Size1.39 inches1.78 inches1.4 inches1.3 inches1.9 inches
Touch
TypeAMOLEDMicroLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceNot Yet5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Watch OS 5Fitbit OSBuild-inWatchOS 8
Apps
Music

All Wearables