Originally Posted by Horse Armour
Well it is worse in terms of speed but you have to remember that this is only half of the Wii U's memory and we have no idea what the other half contains as well as there being some eDRAM which we don't know anything about yet.
What "other half"? From the quote in the OP, that's it. 4 * 4Gbit = 2 GB.
What we don't know yet is how fast the eDRAM is.
... either I am confused or the majority of people in this thread are. Wii U does not have split memory pools, except for the eDRAM.