[mythtv-users] Core i5 or i7 processor for combined BE/FE?

Bert Van Kets mythtv-users at vankets.com
Thu Jan 19 08:54:13 UTC 2012


A lot depends on the video card used. A VDPAU capable NVidia card will 
hardly put any load on the CPU when viewing a video.
So if your system is capable to function as a backend, plug in a VDPAU 
capable video card and you can use it as a frontend too.

Bert

On 18/01/2012 15:57, John Stepien wrote:
> I would like to build an Ubuntu box that will serve as a back end for 
> Myth, and I **MAY** make it a front end at some point as well. If it 
> ends up serving as a FE, it will get a discrete nVidia GPU. Size and 
> noise is not a concern with this box, as it will sit in another room 
> from the TV. Here is what I would like to do with this box:
>
> 1). MythTV backend.
> 2). Commercial flagging.
> 3). Mythweb server.
> 4). Run sshd so I can get in from work.
> 5). Syslog server for DD-WRT router logs.
> 6). Transmission bittorrent server.
> 7). Storage for media such as photos and music. Music will be accessed 
> by a Windows PC with iTunes for synchronization with iPhone.
>
> For MythTV, I have an HDHomeRun Prime (3 tuners), which I believe 
> sends MPEG2 directly to Myth, so there is no encoding that Myth needs 
> to do with this if I am correct. All content is HD, and I do routinely 
> record HD with all three tuners at once. While recording is taking 
> place, I may be viewing HD recordings on up to 2 frontends at once. 
> Live TV is not used at this point, and I do not anticipate needing it.
>
> The processors I'm considering are either a Core i5-2405S Sandy Bridge 
> 2.5GHz (3.3GHz Turbo Boost) LGA 1155 65W or a Core i7-2600S Sandy 
> Bridge 2.8GHz (3.8GHz Turbo Boost) LGA 1155 65W, and there is about a 
> $90 price difference between these two processors.
>
> So my question is, will the i5 handle these tasks with a little room 
> to spare, or do I need the i7? I don't want to pay for CPU that won't 
> get used, but I don't want to come up short, either.
>
> Thanks in advance for any advice!
>
> --John
>
>
>
>
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