AMD claiming octo-core?

I use both, I,ve built computers since the Pentium I and the K-6 and over that time I probably built just as many Intels as AMDs, so I am no (FAN) boy to either one!
 
fact is that AMD had Intel beat for a long time, we just don't know where either of the manufacturers will go over the coming years with their processors but both will have something up their sleeve. Only the R&D developers of each respective company knows what they have planned. The power has shifted in favour of Intel now, I can guarantee you it won't remain like that and it wont be the last time it shifts either
 
Exactly, AMD will probably make a come back with the new Agena and Kuma, Intel will then drop to 45 and try to do something like Hyper transport and onboard memory controller, the AMD will drop to 45 and on and on;)
 
This explains it pretty well, it more or less replaced the FSB on Athlons 64s


One of the main differences between the Athlon 64 and 64 FX processors and all the other processors in the market today is that they have an internal circuit called memory controller. In the other processors there is no such circuit, and it is the chipset of the motherboard (more specifically, a circuit called north bridge) that performs the communication task with the RAM memory. The Athlon 64 accesses the RAM memory transferring two data per clock pulse, making its maximum transfer rate with the RAM memory be 3,200 MB/s, no coincidence in the fact it is the same maximum rate of the DDR400/PC3200 memories. In other words, to make the most of this type of processor this type of memory is required.
The Athlon 64 has two external buses. One to access to the RAM memory, and the other to access the chipset. This second bus is called HyperTransport. Theoretically this architecture is better, since there is only an external bus in the other processors, which is used to communicate with the chipset (the north bridge circuit), which is responsible for the communication both with the RAM memory and with the other circuits of the computer. In theory, the Athlon 64 can communicate with the memory and with the other circuits of the computer at the same time, something impossible in the other processors, for there is only one communication way.
Another advantage of the HyperTransport is that it has a path for the transmission of data and another one for its reception. In the traditional architecture used by the other processors, a single path is used both for the transmission and for the reception of data. In theory, the Athlon 64 can transmit and receive data to the chipset at the same time.
 
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