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In general, the MacPro loses out in single-thread performance only, since Xeons are typically one architecture behind. When the Haswell based Xeons come out, Apple will refresh the Mac Pro line, and you'll get parity single-thread performance.


Except that the consumer lines will have moved on by then.


Do we know that though? Historically speaking, the Mac Pro doesn't get updated nearly as often as Intel releases a new architecture.


It actually did for a long time; then they skipped a few iterations. Maybe they'll do that again, maybe they won't; we'll see.


What are the odds the Haswell Xeons will use the same socket as the current Xeons?


Zero since Haswell-EP uses DDR4.


That being said, I wonder what the chances are that Apple will use the same socket for the Haswell-EP CPU daughterboard. Is there anything obvious that'd prevent them from doing that (e.g, chipset compatibility)?


Yes, I would expect the system design to stay as similar as possible for the next five years or so.




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