Fitbit One vs. Apple Watch vs. Apple Watch Series 4 vs. Diesel On Full Guard 2.5 vs. Amazfit GTR

 
One
Watch
Watch Series 4
On Full Guard 2.5
GTR
 FitbitOneRemove Buy NowAppleWatchRemove Buy NowAppleWatch Series 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$349$329$325$199
Release20122015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hoursNot Yet4 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312384 x 480454x454454 x 454
Sizen/a1.5 inches or 1.65 inches1.78 inches1.39 inches1.39 inches
Touch
TypeOLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIPX7Not Yet3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatch OS 5Wear OSBuild-in
Apps
Music

All Wearables