[mythtv-users] 1080i HD without XvMC, how much horsepower?

Steven Adeff adeffs.mythtv at gmail.com
Tue Oct 3 18:10:24 UTC 2006


On 10/3/06, Scott Alfter <mythtv at salfter.dyndns.org> wrote:
> Alex Brekken wrote:
> > On 10/3/06, Scott Alfter wrote:
> >     With last week's ER, I was getting mid-30s when I tested it a few
> >     minutes ago.
> >
> > And this is without XVMC??  Wow. I'm in the process of building a
> > HD-capable front end and was going to go with a dual-core AMD 3800 X2.
> > I think I might save a little cash and go for the 3700 instead.
>
> The 3700 will give you better single-thread performance than the X2 3800.  The
> 3700 (San Diego core, 1 MB L2 cache) is clocked at 2.2 GHz, while the X2 3800
> (either Manchester or Windsor core, 512K L2 cache per core) is clocked at 2.0
> GHz.  If the MPEG-2 decoder used by MythTV is mostly single-threaded (can
> someone confirm or deny this?), the larger cache and faster clock speed of the
> 3700 would be a win.



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