[mythtv-users] ATI Radeon 9250 Vs Nvidia GeForce 5200

Bob spam at homeurl.co.uk
Sat Feb 4 11:11:04 UTC 2006


Kevin Kuphal wrote:
> Bob wrote:
>>Kevin Kuphal wrote:
>>>Bob wrote:
>>>
>>>>Egeekial, did you (or has anyone) get the ATI Radeon 9250 mentioned here?
>>>>http://www.gossamer-threads.com/lists/mythtv/users/133576?#133562
>>>>
>>>>I’m torn between the open source driver goodness of the 9250 and the “it 
>>>>just works” reputation of the 5200.  They cost about the same and both 
>>>>have passive cooling.
>>>>
>>>>One other thing is I’d like to be able to pump out 1080p at 60Hz over DVI 
>>>>which is just within speck if you tinker with the timings but I know the 
>>>>Nvidia cards have a bad rep for not meeting the DVI speck which may 
>>>>influence my decision.
>>>
>>>Is your processor going to be able to handle software HD playback?  If 
>>>not, get the GeForce so you can do XvMC.
>>
>>Don’t know, it’s an Athlon XP-M 3200, but as I said in response to 
>>Steven up /\ there, the r280 chip in the Radeon 9250 has MPEG 
>>decompression "assistance" for windows and the specks are known (hence 
>>the OS driver) is it not possible the OS driver (& MythTV) might one day 
>>make use of that feature offloading the CPU maybe even more than XvMC 
>>and opening up the possibility of HDTV?
>>
>>But I don’t know the nature of this "assistance" or whether this is 
>>feasible or not.
> 
> Don't hold your breath.  No ATI driver for any of their cards ever made 
> has any support for this in Linux.  Nvidia on the other hand supports it 
> on just about every card in their line except some of the newest.

Mmm, I’m not looking at the ATI driver. I’m trying to find the readme 
files (or the developer mailing list) for the OS drivers, both the 
“radeon” & “r200” ones to see if there’s any mention of MPEG.


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