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I just installed an onl amd 6790 video card.

It is comparable to the broken gtx 580 it replaced. But when playing dota2 the framerate was less than half.

I then loaded up Windows 10 and tried dota2 on the 6970 there. The framerate was triple! I was getting framerates around 90 fps, where on linux I was getting around 30.

Surely something is misconfigured, as the os could not account for such a massive drop.

I did not install the amd proprietary drives on Linux since they said "unmet dependencies", so I just used the open source ones that were already packaged with 20.04. I have read the open source gaming performance is equivalent to proprietary anyways.

So what gives? How can I get somewhat comparable dota2 framerate on Linux as I do on Windows 10?

Scorb
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  • Its Dota2....a native Linux game that I have been playing on linux for 6 years now with an Nvidia card. – Scorb Jan 06 '21 at 04:41
  • AMD does not support my card on Ubuntu 20.04. The latest driver they have released i 14.04 – Scorb Jan 06 '21 at 04:59
  • The open source drivers are already bundled and install on Ubuntu. I have tried them and they are 25% the performance of where they should be. – Scorb Jan 06 '21 at 05:10
  • You changed to an entirely different architecture for your GPU. Best practice is to reinstall the operating system with a hardware change. Did you do that? – Nmath Jan 10 '21 at 05:36
  • Does this answer your question? [How to download all required Ubuntu drivers](https://askubuntu.com/questions/543325/how-to-download-all-required-ubuntu-drivers) – karel Jan 18 '21 at 07:09

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