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GPU for a new PC

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  GPU for a new PC George Shuklin <george.shuklin@gmail.com> - 2020-11-21 15:10 +0100
    Re: GPU for a new PC Linux-Fan <Ma_Sys.ma@web.de> - 2020-11-21 16:30 +0100
      Re: GPU for a new PC Celejar <celejar@gmail.com> - 2020-11-22 00:30 +0100
    Re: GPU for a new PC Georgi Naplatanov <gosho@oles.biz> - 2020-11-21 16:40 +0100

#228847 — GPU for a new PC

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I'm driving into 'new pc struggles', and the thing to think hard about is
GPU.

What GPU is good for Linux? I've tired of Nvidia blobbing, (even it's
packaged really well now), so the next (and last thing is AMD). How well is
it working with open source drivers? Just enough for desktop, or good for
normal 3D?

If you recently upgraded/bought GPU, what was your issues if any?

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#228852

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George Shuklin writes:

> I'm driving into 'new pc struggles', and the thing to think hard about is  
> GPU.
>
> What GPU is good for Linux? I've tired of Nvidia blobbing, (even it's  
> packaged really well now), so the next (and last thing is AMD). How well is  
> it working with open source drivers? Just enough for desktop, or good for  
> normal 3D?
>
> If you recently upgraded/bought GPU, what was your issues if any?

My experience with nVidia is that it works well with the proprietary  
graphics drivers. It is the way of least hassle towards a fully-functional  
GPU on linux if one needs more than an IGP's performance.

I also have two AMD GPUs (Radeon RX570 and Radeon Pro W5500) with the  
following experience:

The RX570 works out of the box for 3D accelleration with the
open source driver + non-free firmware blobs.

The W5500 does not work out of the box. A newer kernel
and firmware is needed -- I am using 5.8.0-0.bpo.2-amd64. Even then, on  
Debian 10, it does not do any 3D accelleration or video decoding yet. It  
does support at least three screens in that configuration already (no fourth  
one to test here :) ) and 2D performance is decent enough for working  
(scrolling works etc.)

I can get to run the 3D capabilities of the W5500 using the open source  
driver + firmware blobs with a newer Mesa version. I successfully tested  
version 20.2 (from Debian sid) for that purpose and it performs well.

There does not seem to be a backported Mesa for Debian stable (and it does  
not seem exactly trivial to do one myself, although I have not tried yet).

Some time ago, I tried to get to run the computing accelleration (i.e.  
OpenCL) for the AMD Radeon RX570. I got it to work in the end with a strange  
mix of the proprietary driver and the free implementation installed at the  
same time. I remember it was a "nightmare". It did run stable, though. I  
have not tested OpenCL for the W5500 yet.

Summary: Older AMD cards work with Debian stable, newer ones only with newer  
Debian (tested with Debian sid).

HTH
Linux-Fan

öö

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#228888

On Sat, 21 Nov 2020 16:26:47 +0100
Linux-Fan <Ma_Sys.ma@web.de> wrote:

> George Shuklin writes:
> 
> > I'm driving into 'new pc struggles', and the thing to think hard about is  
> > GPU.
> >
> > What GPU is good for Linux? I've tired of Nvidia blobbing, (even it's  
> > packaged really well now), so the next (and last thing is AMD). How well is  
> > it working with open source drivers? Just enough for desktop, or good for  
> > normal 3D?
> >
> > If you recently upgraded/bought GPU, what was your issues if any?
> 
> My experience with nVidia is that it works well with the proprietary  
> graphics drivers. It is the way of least hassle towards a fully-functional  
> GPU on linux if one needs more than an IGP's performance.
> 
> I also have two AMD GPUs (Radeon RX570 and Radeon Pro W5500) with the  
> following experience:
> 
> The RX570 works out of the box for 3D accelleration with the
> open source driver + non-free firmware blobs.

Seconded - I recently deployed an Unstable system with an RX-570, and
it works well with the standard in-kernel 'amdgpu' driver + non-free
firmware ('firmware-amd-graphics'). Many benchmark numbers I get seem
to be lower than ones I've seen online for Windows, but the card does
work well under Linux.

Celejar

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#228854

On 11/21/20 4:04 PM, George Shuklin wrote:
> I'm driving into 'new pc struggles', and the thing to think hard about
> is GPU.
> 
> What GPU is good for Linux? I've tired of Nvidia blobbing, (even it's
> packaged really well now), so the next (and last thing is AMD). How well
> is it working with open source drivers? Just enough for desktop, or good
> for normal 3D?
> 
> If you recently upgraded/bought GPU, what was your issues if any?

Hi,

if you use stable versions of Debian GNU/Linux then probably all GPUs
will work fine but if you are going to use unstable or testing branch
then Intel's GPUs are the best.

Kind regards
Georgi

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