ASUS ZenWatch 2 vs. Garmin Vivoactive HR vs. Fitbit Charge 3 vs. Amazfit T-Rex vs. Apple Watch 7

 
ZenWatch 2
Vivoactive HR
Charge 3
T-Rex
Watch 7
 ASUSZenWatch 2Remove Buy NowGarminVivoactive HRRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$250$150$140$429
Release20162016201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a13 hours to 8 days7 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320148 x 20566 x 18360 x 360396 x 484
Size1.63 inches or 1.45 inch1.38 inches.721 inches1.3 inches1.9 inches
Touch
TypeAMOLEDn/aOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNABuild-inWatchOS 8
Apps
Music

All Wearables