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Lightroom Classic is painfully slow

Community Beginner ,
Jun 08, 2024 Jun 08, 2024

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Hello my friends
I have Intel 17-14700kf, AMD RX 7800-XT, 64GB DDR5, but Lightroom is so slow, I tried everything but nothing is working, when I try to add a mask it takes about 10sec to get ready, I have the latest windows update + latest lightroom update + driver + etc.
can anyone help me please?

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correct answers 1 Correct answer

Community Expert , Jun 08, 2024 Jun 08, 2024

That's expected. Almost all processing is done on the GPU. If you do an AI mask, it is all GPU for example. Shouldn't be that slow at all on your machine at least for raw files. If you're doing masks on enormous panoramas it can get slow if the image doesn't fit in the GPU memory but that is rare with modern GPUs if you're using straight raw files. If things are slow on your machine, check the performance presets whether it is using full GPU acceleration and check any settings in the GPU driver.

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LEGEND ,
Jun 08, 2024 Jun 08, 2024

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Make sure you have the latest driver installed; and make sure it is a studio driver and not a game driver.

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Community Beginner ,
Jun 08, 2024 Jun 08, 2024

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does amd have a thing called studio driver??

 

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Community Beginner ,
Jun 08, 2024 Jun 08, 2024

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Nope. As i know that's nvidia only. And believe me, it's slow too.
Take a look at the task manager while working with LrC. It doesn't use all the power.
Buy a M-Mac 🙂

AMD 3900X, 12-Core, m2 SSDs, 96GB DDR, RTX4060

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Community Beginner ,
Jun 08, 2024 Jun 08, 2024

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After building my PC I feel regret for not buying a Mac studio, Adobe Apps are not using 5% of the CPU power and I don't know why, I make all the adjustment that could be done but nothing works. 💔

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Community Expert ,
Jun 08, 2024 Jun 08, 2024

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That's expected. Almost all processing is done on the GPU. If you do an AI mask, it is all GPU for example. Shouldn't be that slow at all on your machine at least for raw files. If you're doing masks on enormous panoramas it can get slow if the image doesn't fit in the GPU memory but that is rare with modern GPUs if you're using straight raw files. If things are slow on your machine, check the performance presets whether it is using full GPU acceleration and check any settings in the GPU driver. Slowness on windows machines is often due to overactive antivirus software by the way that is scanning the catalog every time you touch any develop setting.

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Community Beginner ,
Jun 08, 2024 Jun 08, 2024

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Man, I love you!

I spent the last four months just searching for the cause of the problem. After so many hours of searching, I decided to ask the community as my last resort. You saved me! I turned AVAST off, and everything runs smoothly now. I am truly grateful to you from the bottom of my heart. Thank you so much!

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Community Expert ,
Jun 08, 2024 Jun 08, 2024

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Glad to help! The antivirus thing is very pernicious but somehow it is not well known. It is very commonly the cause of slowness in Lightroom. Usually just excluding the catalog, image library location, and previews from scanning solves it but some antivirus is very aggressive and looks for access patterns using AI techniques. Lightroom very actively accesses your files on disk and it must look a bit like encryption malware.

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New Here ,
Aug 05, 2024 Aug 05, 2024

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Do you happen to know any cause of the PAINFUL slowness on a Mac?  Would it also be anitvirus?

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