[Watford] New machine

[M Fernandes]

How much would bus speed be factor in the overall decision? Unless that is,
you buy fast components and expect bus speed to catch up?

Mike
On Jun 28, 2012 1:20 PM, "Alain Williams" <addw at phcomp.co.uk> wrote:

> Trying to get my head around the soup of different names.
>
> Looking at AMD buldozers:
>
>    http://en.wikipedia.org/wiki/Bulldozer_%28processor%29#Processors
>
> something like a FX-8100 or FX-8140
>
> Questions:
>
> 1) For the sake of a few extra pounds is it worth going for more GHz - I
> suspect not
>   when getting to the high end - you just pay too much for the top of the
> line.
>
> 2) I suspect that speed to memory is very important - more important than
> raw
>   CPU speed - else the CPU just spends time waiting for data.
>   So high memory frequency seems 'a good thing'.
>   A DDR3 speed of 1333MHz seems to be the highest speed of the sensibly
> priced CPUS,
>   some Intel ones go to 1600MHz - but the CPU RRP is $,1000+ -- out of my
> budget.
>
>   But I seem RAM as quoted to go to 2133MHz ... does anything (sensible) go
>   that fast ?
>
>   A large cache will help - the AMD CPUs above have 16MiB cache (8 + 8 of
> L2 + L3).
>   I don't know if you can add the L2 & L3 like that;
>   It is hard to find the data rates to L2 & L3 - also to main memory
> (frequency
>   isn't everything)
>
>   Anyone any pointers ?
>
>
> Just look at the huge number of processor code names that Intel has,
> confusing
> or what ?
>
>    http://en.wikipedia.org/wiki/Comparison_of_Intel_processors
>
> --
> Alain Williams
> Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT
> Lecturer.
> +44 (0) 787 668 0256  http://www.phcomp.co.uk/
> Parliament Hill Computers Ltd. Registration Information:
> http://www.phcomp.co.uk/contact.php
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>
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