Dual Core vs HyperThreading vs Dual CPU

[Gerard Seibert]

Danial Thom <danial_thom at yahoo.com>

> 
> 
> --- "Andrew P." <infofarmer at gmail.com> wrote:
> 
> > On 1/10/06, Marc G. Fournier <scrappy at hub.org>
> > wrote:
> > >
> > > I'm going to assume that Dual Core is better
> > (can't believe that they took
> > > a step back) ... but, is how does it rate?  I
> > know that HyperThreading is
> > > definitely != Dual CPU ... but how close does
> > Dual Core get?
> > 
> > There is extensive evidence (google for that,
> > please), that
> > HT is even slower than a single core in quite a
> > few applications.
> > Moreover, the whole HT implementation has been
> > shown to
> > be a security risk. In the near future intel is
> > going to spend $1.9bn
> > on its new marketing campaign. If you wanna be
> > part of it,
> > buy their CPU, half of the money will be in
> > your nearest billboard.
> > 
> > Dual-core is a new, and a very smart concept,
> > which is exactly
> > equal to a dual-cpu configuration in terms of
> > performance per
> > core - plus it provides a huge cut down on
> > power consumption,
> > and a theoretically hugely faster
> > interconnection between the
> > cores (they are physically many times closer).
> 
> Thats not entirely true, as its not *exactly* the
> same. It looks the same to an O/S, but things are
> wire differently, so there are likely to be some
> differences.
> 
> > 
> > By 2010 we'll see 4-core, 8-core and maybe even
> > 16/32 solutions.
> 
> Intel has implied that they will have
> multi-multicore processors (more then 2) a lot
> sooner than you think. But for now the multicore
> thing is just marketing hype because most O/Ses
> don't utilize DP efficiently enough to make the
> gains worthwhile. You'll likely see more urgency
> to produce them when OS'es can actually benefit
> from them. Most people today who use DP system
> just "assume" they are faster or better without
> having any real clue if they are or not.
> 
> DT
> 
Dell has a graphic display of the difference between its processors
available at:

http://www1.us.dell.com/content/topics/topic.aspx/global/products/dimen/topics/en/dimen_xps600_sp_specs?c=us&cs=19&l=en&s=dhs

Click on "Tech Specs" to view it.


-- 
Gerard Seibert
gerard at seibercom.net