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Technology Stocks : Rambus (RMBS) - Eagle or Penguin
RMBS 95.57+0.7%Nov 28 9:30 AM EST
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To: Dan3 who wrote (33489)11/1/1999 2:53:00 AM
From: Tenchusatsu  Read Replies (2) of 93625
 
Dan, you are basing all of your points on shaky ground:

1) If "it's the latency, stupid" as many anti-Rambus fanatics claim, then why should DDR make any significant difference in real-world application benchmarks over PC133, since all DDR does is increase bandwidth without changing the latency?

2) Anand already proved that Virtual Channel technology makes virtually no impact in the performance of PC133 SDRAM. ( anandtech.com )

3) DDR may be smaller in die size than RDRAM (but how much smaller remains to be seen), but the pin count is rather large for DDR memory chips and controllers. And it remains to be seen whether the electricals of a 266 MHz stubby bus are easier or harder to implement than an 800 MHz continuous Rambus channel. (To be sure, it does seem kind of hard to match the magnitude of the problems that plagued 820.)

4) Speaking of pin count, 840 demonstrates that it's relatively easy to move from a single RDRAM channel to dual channels. Try doing that with DDR and the up-to-200 pins it requires per channel. (And Micron said that 840 is "fast as hell.")

5) Intel isn't going to write-off Rambus. I think that's just plain-old wishful thinking by the anti-Rambus folks. Rambus continues to play a major role in all of Intel's future product lines.

6) I still haven't seen the real benchmark results that prove DDR is going to be a significant leap in performance over PC133. (You see, I can play the same game of "I doubt it" that the anti-Rambus folks have been playing for quite some time.)

Tenchusatsu
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