Re: Is AMD Athlon64 FX the way to go?

From: Chris Carlen (crcarle_at_BOGUS.sandia.gov)
Date: 03/10/04 

Date: Wed, 10 Mar 2004 07:28:07 -0800

General Schvantzkoph wrote:
> The AthlonFX is an Opteron 1xx. So any Athlon FX board will work with an
> Opteron 1xx. The AthlonFX is the highest speed version of the Opteron and
> is priced accordingly. You are much better off picking an Opteron 144
> (1.8Ghz, $209) or an Opteron 146 (2Ghz, $280) rather than the Athlon FX
> (2.2Hz, $732). For the price of an Athlon FX you can build a dual Opteron
> 240 or 244 system and that will me much faster than a single AthlonFX.
>
> Clock for clock Opterons are almost twice as fast as Xeons, more so in
> multiprocessor systems. There are a couple of reasons for this, 1) the
> pipeline in an Opteron is much shorter than it is in the P4 and 2)
> Opteron's have on chip memory controllers which reduces the latency of RAM
> accesses. In multiprocessor systems (which you won't be build on you
> budget) the system memory bandwidth is much higher because each processor
> has it's own memory controller while Xeon systems share a single memory
> controller.
>
> The big difference between AthlonFX/Opteron 1xx and the Athlon64 is memory
> bandwidth, the Opteron has twice the bandwidth of the Athlon 64. Also
> Opterons support more RAM than Athlon64s, 4 DIMMs as opposed to 3. Finally
> Opterons support ECC, Athlon 64s don't.

Dear Gen. Schvantzkoph: :-D

Thanks for the input! 

-- 
____________________________________
Christopher R. Carlen
Principal Laser/Optical Technologist
Sandia National Laboratories CA USA
crcarle@sandia.gov

Relevant Pages

  • Re: New mobo in old ATX Penguin Computing box?
    ... So what's the difference between the AMD Athlon ... Is it worth getting a dual core ... Opteron 1xx are the identical chip. ...
    (comp.os.linux.hardware)
  • Re: SMP w/ Athlon 64 X2 CPUs?
    ... The 940 pin FX parts are a relict, the first Athlon 64s were just ... When they came out with the Opteron everything changed. ... registered DDR DIMMs instead of unbuffered DIMMs. ...
    (comp.os.linux.hardware)
  • Re: Maximum price/performance
    ... I'm currently working on some CPU intensive ... Athlon 3800+ based systems as my work can be split across multiple PC's ... If I did go this route I would want to use the Opteron HE's ... conveinient for me to have 4 cores on one PC than across 2 PC's. ...
    (alt.comp.hardware.pc-homebuilt)
  • Re: Is AMD Athlon64 FX the way to go?
    ... The AthlonFX is an Opteron 1xx. ... For the price of an Athlon FX you can build a dual Opteron ... Opteron's have on chip memory controllers which reduces the latency of RAM ... budget) the system memory bandwidth is much higher because each processor ...
    (comp.os.linux.hardware)
  • Re: Is the AMD Opteron with 64 bit Linux stable?
    ... > than 2-4 GB of virtual memory per process under Linux. ... > Opteron and Athlon 64 platforms are still young. ... > times faster than a 2.8 GHz Xeon, independent of the memory regime the ...
    (comp.os.linux.hardware)