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

[Brian Long]

On Wed, Jan 18, 2012 at 9:57 AM, John Stepien <hackerbeavis at yahoo.com>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.
>

I have the original Core i5-750 as my backend and it sits idle much of the
time with HDHR and HD-PVR recorders.  I would think the newer Core i5 you
mention would be plenty of horsepower for your needs.

/Brian/
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