[ale] Speed comparison

Stephan Uphoff ups at tree.com
Fri Apr 2 12:45:47 EST 2004


Dow Hurst wrote:
> Well ghz is GHz is Gigahertz.  However, I know what your really saying:
> 
> Is a P4 at 2.4GHz of a particular production run with so much L1,L2,L3 cache 
> on a particular motherboard going to perform equally or lesser than an AMD 
> Athlon XP 2500 running a 1.83GHz and so on....

You forgot to mention "perform for a specific application"  ;-)
(and particular RAM, controller, ....)

Unfortunately most benchmarks on the web are highly irrelevant for me.
( Game frame rates , office productivity tools, ....)

I recently stopped miss-using my Dual Xeon 2.8GHz test machine for kernel 
compile duties
and bought and used a cheap Athlon XP 2500/Barton instead.
( While I am normally a SCSI only guy due to the higher MTBF - I tested the 
SATA waters
with the Raptor drive (the first non SCSI drive with decent MTBF) for this box)

While I am certain that a benchmark would show the Xeon machine way ahead on 
compiles
it really makes no practical difference for me.

> 
> 
> I can tell you this:
> 
> My P4 2.8GHz w/hyperthreading in my Dell workstation doesn't seem any faster 
> for FPU than my home PC with a Athlon XP 1800 at ~1.5GHz.  For disk access the 
> Dell seems faster than the home PC.  Graphics seem sort of equivalent though I 
> know they shouldn't be.  Responsiveness is about equal between the two 
> workstations.
> 
> Dow
> 
> 
> 
> 
> Christopher Fowler wrote:
> > Here is where I get confused is 2.4GHz faster than 1.83ghz?
> > 
> > On Thu, 2004-04-01 at 13:12, Stephan Uphoff wrote:
> > 
> >>You might want to upgrade to an Athlon with a 512K L2 cache.
> >>   Example:  AMD Athlon XP 2500+ 1.83GHz 333FSB 512KB - $80 + Free shipping
> >>   http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=80170-R
> >>
> >>
> >>>I'm looking in the lates dirty magazine (Computer User).  We call them
> >>>the dirty magazine because of the lust they create. I guess I can get an
> >>>XP-2400+ for $74.99 and a PIV 2.4 for $145.99  Is there any difference
> >>>that warrants double price?
> >>>
> >>>
> >>>On Thu, 2004-04-01 at 06:06, Geoffrey wrote:
> >>>
> >>>>Marvin Dickens wrote:
> >>>>
> >>>>>>>It does not, the P4s, especially the celerons are dogs.  I have a
> >>>>>>>1.8 GHz celeron and I swear my 800 MHz Athlon runs rings around
> >>>>>>>it. I've been underwhelmed by the p4 since there were introduced.
> >>>>>>>Any processor that is slower per clock tick than the previous
> >>>>>>>generation has something dreadfully wrong.  If you must do P4,
> >>>>>>>get a real one, not the celeron.
> >>>>>>
> >>>>>>Thanks.  It looks as if I'll be skipping the system due to the
> >>>>>>Intel tax.  The XP must be better.
> >>>>>
> >>>>>
> >>>>>FWIW, I always go with AMD. The only disadvantage I know of is that 
> >>>>>AMD processors are destroyed in the event of an unnoticed CPU fan
> >>>>>failure occurs. OTOH, the Intel chips automatically shut themselves
> >>>>>down when a fan failure occurs and the temperature rises too high.
> >>>>
> >>>>They now have athlon mb that will shutdown in the same way.  I've got 
> >>>>two, but I've not tested it. :)
> >>>>
> >>>

> __________________________________________________________
> Dow Hurst                  Office: 770-499-3428            *
> Systems Support Specialist    Fax: 770-423-6744            *
> 1000 Chastain Rd. Bldg. 12                                 *
> Chemistry Department SC428  Email:   dhurst at kennesaw.edu   *
> Kennesaw State University         Dow.Hurst at mindspring.com *
> Kennesaw, GA 30144                                         *
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