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Technology Stocks : Intel Corporation (INTC) -- Ignore unavailable to you. Want to Upgrade?

To: Scumbria who wrote (133443)	4/27/2001 3:23:08 PM
From: Ali Chen	Read Replies (1) \| Respond to of 186894

"As the clock speed increases, the need for high bandwidth memory increases. Without high bandwidth memory, the processor performance will flatten off rather quickly above 2GHz. This means that above 2GHz, DDR or RDRAM is required to keep the same mediocre P4 performance scaling we have grown used to. Without it, P4 looks really bad." I believe you are mistaken here. There is no "need" or "will" for bandwidth, or else. The CPU communicates with external world via its bus. The bus state machines are running at the same speed regardless the CPU core. Therefore the time waste in memory accesses largely remains constant, and nothing gets "flatten" unless it already was, and hence cannot be improved much by core. In any case I agree that the whole theory of sudden improvemens in Rambus performance with higher core speeds is an utter nonsense, Otellini included.