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Old 03.05.2021, 17:21
arminolat arminolat is offline
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Join Date: Dec 2016
Posts: 4
Question JDownloader way slower than IDM

Hello everyone!

I've been using IDM for years, but also discovered JD two years ago and have been using both of them daily for quite some time now.

I've noticed that my download speed is way lower in JD than in IDM.

I've seen multiple threads and topics open with the same subject and every time the solution appears to be to set the same number of connections.

The problem is - I have both JD and IDM set to 8 connections max and downloading any file gives me 1MBps on average in JD, while I get 1.7-1.8MBps in IDM (I have a 15Mbit connection).

This happens if I test the same link for the same download, IDM is just a lot faster.

I'm trying to move away from IDM and use JD exclusively, but I'd like to get the same download speeds first.

Is there anything I might be able to adjust to get this?

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Old 03.05.2021, 17:23
pspzockerscene's Avatar
pspzockerscene pspzockerscene is offline
Community Manager
Join Date: Mar 2009
Location: Deutschland
Posts: 59,617

Which host are you downloading from?
Are you a free- or a premium user?
Have you already checked this troubleshooting guide?

JD Supporter, Plugin Dev. & Community Manager
JDownloader 2 Setup Download

A users' JD crashes and the first thing to ask is:
Originally Posted by Jiaz View Post
Do you have Nero installed?
That's true James
Originally Posted by James
Die Leute verstehen einfach nicht dass nur weil man mit einer Waffe auch auf Menschen schießen kann dass ein Schützenver​ein kein Ort für Amoklaufide​en ist
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Old 03.05.2021, 17:25
arminolat arminolat is offline
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Join Date: Dec 2016
Posts: 4


This happens in all hosts.

For example I use a lot of AllDebrid premium, then Mega, Zippyshare, Anonfiles, Google Drive etc.

I've tested this downloading from some other sources, like for example downloading Ubuntu from the official webpage - IDM gives way better results again.

I did check the Troubleshooting guide you linked just today, before making this thread.
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Old 03.05.2021, 17:35
Jiaz's Avatar
Jiaz Jiaz is offline
JD Manager
Join Date: Mar 2009
Location: Germany
Posts: 72,936

Can you please compare/verify speeds with windows taskmanager/network graph. Tools can have different (average)speed calculation! Also check your firewall/av. JDownloader itself doesn't influence speed and downloads as fast as your setup/system allows.
In doubt, we can take a look together via Teamviewer. Contact us via support@jdownloader.org
With same number of connections you should get same/similiar speeds.
JD-Dev & Server-Admin
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