Fitbit Alta vs. ASUS ZenWatch 3 vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Alta
ZenWatch 3
On Full Guard
Alta HR
T-Rex
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$229$325$150$140
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400454 x 454128 x 36360 x 360
Sizen/a1.39 inches1.4 inches1.4 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Android Wear 2.0Build-in
Apps
Music

All Wearables