Linked by Thom Holwerda on Wed 5th Aug 2009 00:12 UTC, submitted by rexstuff
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I have ATI Radeon Mobility X300 (r300) with 64 MB of video memory. It's really pretty performant...except when it comes to Qt4. Of course Windows flies, but that's to be expected since they actually know how to write a performant graphics system.
fglrx has dropped support for this chipset, and it never worked well with KDE4 for older versions. KDE4 exposes some aspects of the graphics driver that no other software does.
New open source drivers for ATI chipsets might be available in a few months, by all reports.
ATI is junk I'm afraid. Use Intel or nVidia if you can. At least 'most' things will actually work OK. You end up falling into holes where either fglrx supports what you need but doesn't support your chips set, or the open source drivers support your chipset but not the features you need to get things working.
Edited 2009-08-05 21:41 UTC
I have a ATI Technologies Inc RV370 5B60 [Radeon X300 (PCIE)] and everything worked fine here in KDE 4.2 and now KDE 4.3. The proprietary driver from ATI of course no longer supports my hardware ; so I use the radeon open source driver with all the bling (read: compositing) enabled ; so not all ATI cards are affected or useless and it most definitely is not a KDE issue as it works for me.





Member since:
2007-02-17
Your machine wouldn't have Intel graphics by any chance would it?
http://www.phoronix.com/scan.php?page=article&item=intel_q309_flake...
On my test machine, KDE 4.3 is faster than any previous version of KDE (including KDE 3 series) and faster than GNOME.
Edited 2009-08-05 02:35 UTC