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Hi, 

Intel wins on single thread performance and energy efficiency, AMD on cost efficiency - the latter may be eaten up by energy cost though.
Functional differences exist, if  you want to take advantage of the latest CPU extensions (AVX, AESNI, TSX,...)  otherwise not. 

ARM(v8) may be an interesting option in the future for scale - out workloads (moderate single thread performance requirement with high energy efficiency). Note that a lot of commercial software is not (yet?) avail for ARM - for open src you don't have that issue. 

HTH, 
-- 
Kurt Garloff <kurt at garloff.de>

On April 27, 2015 7:23:19 PM CEST, Forrest Flagg <fostro.flagg at gmail.com> wrote:
> Looking to purchase hardware for a Juno cloud and was wondering what
> people
> are using for processors.  Is there a preference between Intel vs AMD?
> Does it make a functional difference?  Thanks,
> 
> Forrest
> 
> 
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