[SunRay-Users] Intel or AMD for Linux Sunray Server?

[Ken Mandelberg]

We are looking at upgrading our Linux Sunray server. We run a single 
Linux image (no virtualiztion). The choices in 2 socket servers seem to 
be dual Intel 6 core chips (eg X5670 2.93 ghz) or dual AMD Opeteron 12 
core chips (eg 6168 1.9ghz).

The Intels support 2 threads per core, the AMD's just 1, so either way 
24 threads.

The Spec benchmarks for servers do not really relate well to Sunray 
desktop performance. The two dimensions of interest to us are:

 * Single user perceived performance of desktop applications assuming 
no lack of resources due to other users.

 * Number of Sunray sessions it can handle before performance degrades.

We have always been critical of single user performance even when 
graphics haven't been the bottleneck. I'm suspicious of the low 
clockrate AMD cores for applications that are dominated by a single thread.

Any thoughts?

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