Fitbit One vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
One
ZenWatch 3
Cor
On Full Guard 2.5
T-Rex
 FitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$229$79.99$325$140
Release20122017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours12 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 40080 x 160454x454360 x 360
Sizen/a1.39 inches1.23 inches1.39 inches1.3 inches
Touch
TypeOLEDAMOLEDIPS LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSBuild-in
Apps
Music

All Wearables