[olug] AMD or Intel for multi-core apps?

[Jay Bendon]

I usually use CPUMark to do my evaluation on CPU's i don't have physical
access to benchmark.

http://www.cpubenchmark.net/cpu_value_available.html
http://www.cpubenchmark.net/common_cpus.html

The intel i7's are in the lead atm, but the amd fx-8120 is a badass and i'm
strongly considering purchasing it for my next rig.

i use a Intel(R) Xeon(R) CPU           W3690  @ 3.47GHz in my
desktop/workstation. its a mean machine, but probably expensive.
--Jay


On Tue, Oct 2, 2012 at 12:58 PM, Obi-Wan <obiwan at jedi.com> wrote:

> I may be in the market for a new desktop CPU/mobo for the first time in
> 4.5 years.  I haven't kept up on CPU technology, so I need some advice.
> TomsHardware.com used to compare CPU's, but no longer, it appears.
>
> Most (but not all) of the CPU-intensive tasks that I perform (photography
> related) are pretty well multi-threaded and operate on large datasets,
> and should make good use of multiple cores.  Of course, there are still
> some single-threaded operations that I'd like to speed up, too.
>
> My current box has a 2-core AMD CPU, because the 4-core Phenom had just
> come out and was still buggy at the time.
>
> Philosophical issues aside, do you have any feel for whether I'd be
> better off with an 4-core Intel i5/i7 or a 6-8-core AMD CPU?  Are the
> individual cores of the i5 or i7 significantly faster than those of
> the AMD?
>
> I haven't done exhaustive research yet, but these CPU's have caught
> my eye:
>
> AMD FX 3.8GHz (4.1GHz Turbo) 6-core 125W, $140
> http://www.newegg.com/Product/Product.aspx?Item=N82E16819106010
>
> AMD FX 3.6GHz 8-core 125W, $190
> http://www.newegg.com/Product/Product.aspx?Item=N82E16819103960
>
> Intel i5 3.4GHz (3.8GHz Turbo) 4-core 77W, $215
> http://www.newegg.com/Product/Product.aspx?Item=N82E16819115233
>
> Intel i7 3.1GHz (3.9GHz Turbo) 4-core 65W, $305
> http://www.newegg.com/Product/Product.aspx?Item=N82E16819116503
>
> The only 6-core i7 is out of my price range at $570.
>
> --
> Ben "Obi-Wan" Hollingsworth    obiwan at jedi.com    PrairieRimImages.com
>    The stuff of earth competes for the allegiance I owe only to the
>      Giver of all good things, so if I stand, let me stand on the
>        promise that You will pull me through.  -- Rich Mullins
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