[BALU] Dualie deal at newegg and death of an obsession.

Mr. Panzer panzermkz at hotmail.com
Sun Jun 10 23:30:13 CDT 2007


memory conflects?  maybe I am alittle to out of it.  But last time I checked 
the only shared memory that both cores could see is the actual ram in the 
system.  the l2 cache is not shared between cores as on the newer intel 
stuff.


Panzer



10 second quickie not long enough for you?  Try it for 24 hours.  24 Heures 
du Mans





>From: jim <jgoodguy at charter.net>
>Reply-To: members at lists.bham-lug.org
>To: members at lists.bham-lug.org
>Subject: Re: [BALU] Dualie deal at newegg and death of an obsession.
>Date: Sun, 10 Jun 2007 22:56:34 -0500
>
>Yea, but the 4400 Athlon is a 2xer, two cores in one box. So I am
>comparing 4400 t0 4400 dualies.
>
>In theory, the multiple processors only get about 75% of their total.
>4400 x .75 = 3300. Except that the 4400 Athlon does not have memory
>conflicts to resolve like the dual xeons. The 4400 resolves memory
>conflicts on chip at cpu speeds while the xeons have to hit the buss.
>Now with much of the conflicts resolved, I doubt that the 75% holds with
>the new dual core guys.
>
>I'd like to come up with a test suite to test with.
>
>Jim
>
>Mr. Panzer wrote:
> > remember jim 2x2.2 does not make a 4.4ghz system. Even if you are
> > doing something that is really good and uses threads you won't get 4.4
> > as there is overhead. Just like my dual 1.2 here is not a 2.4ghz box.
> > Plus even if you use single threaded stuff then it is nice and smooth
> > but not combined.
> >
> >
> > Panzer
> >
> >
> >
> > 10 second quickie not long enough for you? Try it for 24 hours. 24
> > Heures du Mans
> >
> >
> >
> >
> >
> >> From: jim <jgoodguy at charter.net>
> >> Reply-To: members at lists.bham-lug.org
> >> To: members at lists.bham-lug.org
> >> Subject: [BALU] Dualie deal at newegg and death of an obsession.
> >> Date: Sun, 10 Jun 2007 11:52:11 -0500
> >>
> >> AMD Athlon 64 X2 3600+ Brisbane 1.9GHz 2 x 512KB L2 Cache Socket AM2
> >> Processor - OEM
> >> $59.00 including shipping.
> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16819103036
> >>
> >> as comparison.
> >>
> >> A pair of used 1.8 zeons are $34 including shipping on ebay. (3600
> >> total same as above athlon)
> >> http://tinyurl.com/38tslp
> >>
> >> I like old school, but when new stuff is less than $25 from old stuff
> >> and the hassle of finding a MB is much less and the total package of mb
> >> and procs might be the same, then old school may be the more
> >> expensive. The other thing is that you need a case that can handle an
> >> extended ATX case for most xeon MBs. (there are full ATXs out there,
> >> but rarer). While, if you are a bit strange, you can put a X2 on a
> >> micro ATX.
> >>
> >> I have not shopped the intel side, because the deals that have passed 
>my
> >> way have been AMDs.
> >>
> >> My current estimate for a dual 4400 xeon is $40 for the MB and $40 for
> >> the procs including shipping. That is if you shop and are patient.
> >> My 4400 MB and procs ran about that. Real patient and lucky can shave
> >> $15-20 off of that. Total $80. And there were issues with heat sink
> >> mounts and back io plate(none) The proc supports MMX, SSE, SSE2,
> >> Hyper-Threading.
> >>
> >> OTOH, Frys was selling AMD X2 4400s for $70 including shipping(OEM no
> >> fan) (05/24) and a nice retail MB for it was $50 from Newegg including
> >> shipping. Total $120 for the new vs $80 for the old. The proc
> >> supports MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64 (AMD's
> >> x86-64 implementation), Cool'n'Quiet, AMD Virtualization. IO plate and
> >> heat sink mounts included.
> >>
> >> The difference is $40 with a lot less hassles and risk. Ebay stuff has
> >> no warrenty to speak of vs months to years for the new stuff.
> >>
> >> Needless to say, my xeon obsession is over.
> >>
> >> Please remember, I am a shopper and these deals pop up and disappear:
> >> The best case for EBAY is about $55 for a dual 2.2 xeon if you are 
>lucky
> >> and real patient. The average case for the AMD is $115 for the proc and
> >> $50 for the MB. Total $165 for both. So you could in theory save $110,
> >> if you just went and bought vs best possible EBAY.
> >>
> >>
> >>
> >> Jim
> >>
> >>
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