Fitbit One vs. Fitbit Charge 3 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex vs. Fossil Gen 5 Smartwatch Carlyle

 
One
Charge 3
On Full Guard 2.5
T-Rex
Gen 5 Smartwatch Carlyle
 FitbitOneRemove Buy NowFitbitCharge 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$100$150$325$140$295
Release20122018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days7 days4 days20 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a66 x 18454x454360 x 360328 x 328
Sizen/a.721 inches1.39 inches1.3 inches1.3 inches
Touch
TypeOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSBuild-inWear OS
Apps
Music

All Wearables