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

To: Gary Ng who wrote (62525)	8/15/1998 8:14:00 AM
From: dumbmoney	Respond to of 186894

Re: The main benefit of Rambus, IMHO, is not performance but granularity If you don't mind, could you elaborate that a bit ? PC main memory is currently 64-bits wide (800MB/s bandwidth). There's no such thing as a 64-bit SDRAM, so you have to gang them up in parallel - at least 4 of them (supplying 16 bits each). At the 256Mb level, this implies a minimum memory size of 128MB. This is one reason why DRAM manufacturers are talking about producing an intermediate 128Mb density. With RDRAM you get the full bandwidth of the channel (1600MB/s, 16/18 bits wide) with a single memory chip. So the memory increment is a single chip, rather than 4 chips. The long term trend is toward fewer memory chips in a system (including zero chips, i.e. embedded DRAM), because density is increasing faster than per-bit costs are decreasing. B = byte, b=bit