Priest of the Order of the Butterfly
Posts: 570 from 2015/6/17
From: Funeralopolis
Quote:
Acill schrieb:
Hmm, maybe not.. I have the Apple X1900 card. I thought it and the PC X1950 were the best it would do. I do have a PC HD5450 new in the box though. Are you sure this works in the G5 PCI-E? I had it for the X5000 and never installed it. Isnt this HD5450 lower end card?
[ Edited by Acill 15.07.2024 - 09:14 ]
Simple answer: The X1900/X1950 is the fastest card you can get for MorphOS but HD4xxx/HD5xxx/HD6xxx have a more modern feature set.

The X1950 (
klick) has OpenGL 2.1, Shader Model 3.0, the HD5450 (
klick) OpenGL 4.4, Shader Model 5.0. A HD 6670 (
klick) would be faster than the X1950 in many aspects within the same power envelope.
Though I don't know whether this matters concerning TinyGL on MorphOS which is only a small subset of OpenGL. Also 3D-Accel is not supported yet on current TinyGL for Radeon HD cards.
What's more inconvenient is that the PCIe G5 is rather picky regarding video cards.

Of 4 HD5450 I tried only one got me a picture on the screen on MorphOS. Also several other Radeon HD cards refused to work on my PCIe G5. It is not yet known why the PCIe G5 does not 'like' the many cards, but does like some.
It is not that picky with R300/R400 cards. I had a X1950, X1650, X1300 which all worked fine.
PMac G5 11,2. PMac G4 3,6. PBook G4 5,8. [MorphOS 3.19 / Adelie Linux / Gentoo Linux] | A600GS [Amibench / OS 3.3] | Talos II Secure Workstation. [Gentoo Linux]