AMD HD7XXX Series - Latest leaked details - Chiphell

[Lanek]

Can the Memory Controllers on the chips actually operate at those frequencies though? I believe that is where the biggest hurdle lies to date, although I don't know how high AMD can get theirs to run error free.

The memory controllers used so far... with a lot of difficulty ( as explained by LordEC911 ), but on top 7000 range, GCN have should have a new memory controller, completely different as all the "memory system " will have x86 support " + will be capable of a virtual memory space with the system memory. ( and a lot more ) .
On the slide we have seen this summer, it was pretty clear all the " memory part " is redesigned, so the memory controller.

We will need to wait for see the spec and the cores, offcourse..

But GDDR5 at thoses speed, have an higher TDP, this could well have his weight in the balance too ( remember what was say about the GDDR5 TDP on the 6970 when released )

Sadly i have not keep all the slide but well..