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To: Jdaasoc who wrote (80604)1/18/2002 8:49:28 AM
From: Dan3  Read Replies (1) | Respond to of 93625
 
Re: Benchmark Analysis

You do realize that you are comparing single channel DDR with dual channel RDRAM, don't you?

And that dual channel DDR chipsets for P4 are already sampling from Intel and SiS.

Performance of single channel RDRAM was worse than single channel PC133. Performance of two RDRAM channels, despite its higher costs, barely beats one DDR channel.

It will probably be 4 to 6 months before there is volume availability of dual channel DDR motherboards for P4, but RDRAM systems should disappear completely very soon following that availability.



To: Jdaasoc who wrote (80604)1/18/2002 1:25:51 PM
From: Bilow  Read Replies (1) | Respond to of 93625
 
Hi Jdaasoc; Re: "Something tells Vince's review is going to be the repeated in terms of conclusions elsewhere." The high DDR prices, as compare to RDRAM, are only temporary. Temporary, as I said a year ago, means that they'll be that way for less than 3 months.

And as far as it goes so far, DDR is still considerably cheaper. In addition, just looking at the memory prices ignores the fact that DDR motherboards are cheaper as well.

Re: "What's your feelings about RDRAM when Intel business computers all will be 2 GHZ + Northwood machines where Cheap DRAM will be either only SDRAM ..." You're ignoring the fact that DDR SDRAM chips are now only a bit more expensive than SDRAM. The permium, for the 128MB x8 parts that I track has been as low as 13% and even now is something around 20%. As has been noted multiple times by many people, DDR replaces SDRAM in the mass market when DDR becomes as cheap as SDRAM. That time is fast approaching, just as I predicted a year ago, and in the time frame I predicted it.

RDRAM is dead, dead, dead. Go look at all the DDR chipsets and the very few RDRAM chipsets:

RDRAM: 7
DDR: 79

users.erols.com

That DDR was being produced at 5x the rate of RDRAM in December should be enough of a clue. Rambus morons said that would never happen.

-- Carl