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Because it takes ~2 years to wrap the EP uncore around a new core and validate the whole thing. Expect Skylake-EP around a year from now.


First time I heard the term "uncore", thanks!

https://en.wikipedia.org/wiki/Uncore


Are the cores not the same as the Skylake Xeon cores that was released back in Fall?

(are E3 cores different from E5 cores?)


It's more or less the same core (modulo AVX512), but E5 has a much more complex uncore than E3.


Can you elaborate? Maybe I am misunderstanding EP here? There are Haswells E/EPs already.


Haswell is the model prior to Broadwell, and was launched in 2013. https://en.wikipedia.org/wiki/Haswell_(microarchitecture)


Understood that Broadwell is "tick" on Haswell's "tock", I was questioning what the previous poster meant by the EP uncore. I thought all Xexon 2600s were "efficient performance(EP.)"




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