Size difference in QT online and offline installations

Ahmed Jmail

Hi, I'm installing the latest version of Qt (i.e 5.10.0). As you can see in the image that I have selected complete components under version QT 5.10.0 in both installers but I'm seeing a noticeable size difference in offline (11 GB approx ) and online (38 GB approx) installers. Why is that so ? Will I be missing some features if I use offline version. Also installing online version is not feasible for me right now.
Kindly guide me on this.
Thanks

0_1515908237264_Qt Installations size differences.jpg

aha_1980

@Ahmed-Jmail

as you can easily see yourself, the online installer allows you to install older Qt versions also, while the offline installer only provides Qt 5.10.

Regards

Ahmed Jmail

@aha_1980 Thats ok but I have selected only Qt 5.10.0 and the installer (offline or online) only shows approximate size of selected items.

koahnig

@Ahmed-Jmail

I would say the difference in size comes from different pre-compiled versions being selected under Qt 5.10.0. Therefore, you might still compare apples and pears and you need to see what pre-compiled versions are there.

Ahmed Jmail

@koahnig I am not asking this for deciding purpose as I have installed offline one with no issues well at least not just yet. But for the sake of this post , I selected everything in both offline and online installer under 5.10.0 and both of them contained same options. That's why you see a tick mark in the checkbox. If any of the items were not selected , there appears a black box instead of tick mark

J.Hilk

@Ahmed-Jmail
Have you checked that the offline and online installer actually offer the same installation options? I could for example imagen, that the offline one only offers to install the fitting bit-version.

JKSH

@Ahmed-Jmail said in Size difference in QT online and offline installations:

I'm seeing a noticeable size difference in offline (11 GB approx ) and online (38 GB approx) installers. Why is that so ?

Because the online installers contain PDB files for debugging, but the offline installers don't.

Will I be missing some features if I use offline version.

Currently, you don't have the symbols for debugging Qt libraries. They are not strictly necessary, but they can be helpful when you're trying to figure out why your code is crashing.

If you want those symbols, you can download them separately:

@J.Hilk said in Size difference in QT online and offline installations:

@Ahmed-Jmail
Have you checked that the offline and online installer actually offer the same installation options?

They do now, actually! I just checked and was surprised.

In the past, only 1 version of Qt was provided per offline installer (e.g. http://download.qt.io/official_releases/qt/5.8/5.8.0/ )

However, since Qt 5.9, there's one single installer for all versions (e.g. http://download.qt.io/official_releases/qt/5.9/5.9.0/ )