Re: Intel i3 | i5 | i7 GPU and RT kernel

[Mark Knecht <markknecht@gmail.com>]

On Tue, Sep 14, 2010 at 9:28 AM, rosea grammostola
<rosea.grammostola@gmail.com> wrote:
> On Tue, Sep 14, 2010 at 6:27 PM, Mark Knecht <markknecht@gmail.com> wrote:
>> On Wed, Sep 8, 2010 at 4:43 PM, Mark Knecht <markknecht@gmail.com> wrote:
>>> On Wed, Sep 8, 2010 at 1:35 PM, rosea grammostola
>>> <rosea.grammostola@gmail.com> wrote:
>>>> Hi,
>>>>
>>>>
>>>> How well is the integrated gpu of intel, working with RT kernels?
>>>>
>>>>
>>>> \r
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>>>
>>> Hi Rosea,
>>>   I'm just now in the process of getting my Gentoo box updated so
>>> that I can try the RT kernel on my i5-661/DH55HC machine. I'll try to
>>> report back in the next day or two what my results are.
>>>
>>>   From Sven's report it sounds like the results should be good.
>>>
>>> Cheers,
>>> Mark
>>>
>> Rosea,
>>   As reported elsewhere I'm having no problems with the real-time
>> kernel on my i5-661. I am using the RME HDSP9652 at sub-1mS delays and
>> seeing no xruns. I can certainly recommend the real-time kernel
>> running on the i5-661.
>>
>>   I am however having a HORRIBLE time with the Intel video driver on
>> both the real-time and standard kernel. I cannot recommend Intel
>> graphics at this time which is unfortunate because months ago with
>> earlier versions of the graphics driver things were fine but they seem
>> to be in a less stable state at the time of this writing.
>>
> Thanks a lot for testing!
> At this point I consider a i5 750 without IGP.
>
> \r
>

Check out this page for specs.

http://www.intel.com/consumer/products/processors/corei5-specs.htm

If you're considering the i5-750 then maybe as an alternative the
i5-670 in a motherboard that doesn't use IGP and a good Nvidia
graphics card would be a good alternative. The 670 has a higher clock
rate and the turbo boost really moves you up. I only see lower cache
which is typical of the hyperthreaded designs as you really get
2MB/core.

The 670 wasn't available when I bought my 661 or likely I would have
gotten that one. The 661 price at NewEgg is about the same as the 750.
The 670 is, unfortunately, $100 more. (Sorry!) ;-)

i5-750 = $195
i5-670 = $299
i5-661 = $209

Have fun and don't using Intel stock cooling! :-)

- Mark
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