[RC5] Question... Dual Athlon PC

Colin L. Hildinger colin at ionet.net
Tue Sep 18 20:15:05 EDT 2001


Realize that that roadmap says "Athlon MP" and "Athlon 4," and is referring
to the 2 existing Palomino core processors.  They intro'ed the Palamino as
an "Athlon MP" for the workstation/server market and "Athlon 4" in the
laptop market.  It's the same chip.  It will be released soon on the desktop
as (rumor alert) "Athlon XP."  So the same chip will be sold with 3 names.

A good review of the 760MP chipset and the "Athlon MP" Palomino cpu can be
found at Anandtech:

http://www.anandtech.com/showdoc.html?i=1483

Note the following quote:

"On the CPU front, the 760MP's release is accompanied by the first server
version of the Athlon core.  Just three weeks ago AMD announced their mobile
Athlon 4 processor, which is based on the Palomino core.  The server version
of the Athlon is also based on the same Palomino core but carries a
different name, much like how Intel's Xeon uses the Willamette core but
carries a different name from the desktop Pentium 4.  The name of the server
Athlon is the Athlon MP, the MP obviously coming from the fact that the CPU
is validated by AMD for operation in multiprocessor mode.  From an
architectural standpoint, the Athlon MP is no different from the mobile
Athlon 4.  Although AMD introduced new naming for some of the features of
the Athlon MP such as Smart MP Technology, the same features are present in
the mobile Athlon 4."

A specific technology breakdown can be found at:

http://www.anandtech.com/showdoc.html?i=1483&p=4

Enhancements include SSE, which they're calling "3DNOW! Professional,"
improved data prefetch, and improved (expanded) translation look-aside
buffers (TLBs).

If you really want to see the T-bird and Palomino side by side, check out
the benchmarks in the article.  Anand benchmarks a T-bird and a Palomino
("Athlon MP") side by side at the same 1.2GHz frequency in both single and
dual processor configurations.  The Athlon MP is noticably faster at the
same frequency.

If you doubt the veracity of this article, there are dozens more.  ;-)

Colin

----- Original Message -----
From: "Aaron W. Swenson" <aswenson at frontiernet.net>
To: <rc5 at lists.distributed.net>
Sent: Tuesday, September 18, 2001 10:47 AM
Subject: RE: Re: [RC5] Question... Dual Athlon PC


> No, they both have the same core, look at the road map (simplest exhibit):
>
http://www.amd.com:7246/us-en/Processors/TechnicalResources/0,,30_182_608,00
.html.
> The MP processors have a technology called Smart MP.
>
> All those features you listed are for the Palomino core, which the Athlons
> will (does?) have, and the MPs won't.  However, the MPs will jump to the
> Thoroughbred core first.
>
> As it sits right now, the AMD processors have partial support for SSE, but
> the Thoroughbred may have full SSE2 support (crossing fingers),  and a
> whole bunch of throttling and power saving features for you lap junkies.
>
> Bye yo!
> Aaron
>
> At 01:31 PM 9/17/2001 -0500, you wrote:
> >This is not quite true.  The MP's are not Thunderbirds.  They are
Palaminos.
> >They utilize data prefetch, support SSE and powernow and have several
other
> >improvements, including lower power consumption at a given clock rate.
> >Generally, clock for clock, the Palamino significantly outperforms the
T-bird.
> >
> >On Mon, 17 Sep 2001 09:29:56 -0500 you wrote:
> >
> > >
> > > Just so you guys know, there is NO real difference between the
> > Thunderbirds
> > > and MPs.  The MPs include a throttling on it that's only useful in
laptops
> > > to reduce power consumption and increase battery life.  However, AMD
will
> > > not honor any warranty on a non-MP processor used in a multiprocessor
> >platform.
> > >
> > >
> > > Bye yo!
> > > Aaron
> > >
> > > --
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> > >
> >
> >
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