ASUS ZenWatch 2 vs. Fitbit Alta vs. Apple Watch vs. Asus ZenWatch vs. Amazfit T-Rex

 
ZenWatch 2
Alta
Watch
ZenWatch
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$130$349$150$140
Release20162016201520142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days18 hoursNA20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a340 x 272 or 390 x 312320 x 320360 x 360
Size1.63 inches or 1.45 inchn/a1.5 inches or 1.65 inches1.63 inches1.3 inches
Touchn/a
TypeAMOLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/aIPX7IP555 ATM

Notifications

Phone
Emailsn/an/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aWatch OSAndroid WearBuild-in
Apps
Music

All Wearables