On Thu, 2004-04-22 at 08:42, Alex Deucher wrote:

> I don't know about that.  I can forsee IGP becoming _the_ standard
> method for video.  Look at sgi...  all of their video systems use
> system memory,  once you have a high speed video<->memory bus in place,
> I see video cards simply becoming just a GPU rather than a whole card. 
> You'll never have to worry about having enough videoram, the system
> will just use what it needs. need better performance, swap in a better
> GPU.  Perhaps chipset makers will include some basic GPU logic (akin to
> current IGP chipsets) that will run if no GPU is installed.

You are more likely to see baseline graphics go that way, but high-end
graphics won't be there for awhile yet.

Right now, memory bandwidth looks like this:

AMD Athlon 64                              3.2GB/s
AMD Opteron/ Athlon 64 FX                  6.4GB/s
Intel i875 (Canterwood)                    6.4GB/s
ATI Radeon 9800XT                         23.4GB/s
nVidia GeForce 6800 Ultra                 35.4GB/s

Since PC graphics are strongly influenced by gaming, there is no way an
IGP will ever perform like a discrete card until PC memory busses get
significantly faster (4-6x) and until then high end GPUs will be around,
hanging off ever faster peripheral busses.

-- 
Paul J.Y. Lahaie <[EMAIL PROTECTED]>



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