Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 92.35

-0.4%

3:59 PM EST

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To: Scumbria who wrote (40444)	4/20/2000 1:11:00 AM
From: Tenchusatsu	Read Replies (4) of 93625

Scumbria, that foil is rather interesting, isn't it? Here's some interesting points that I gleaned off that foil: 1) The crossover point of latency between Via/PC133 and 820/RDRAM is 375 MB/sec. With Via/VC133, the crossover point is 450 MB/sec. I can't imagine those figures to be a level of saturation for a 133 MHz FSB. 2) The 840 chipset w/ PC800 RDRAM has an average latency that's 50 nsec better than that of 820. That's almost seven FSB clocks. And this advantage is constant throughout the entire bandwidth spectrum. Certainly this can't be achieved by simply adding just another RDRAM channel. That tells me that something is abnormally crippling the performance of 820. 3) The 840 chipset w/ PC600 RDRAM performs very well, better than 820 w/ PC800 RDRAM. For a power-user, it might be cheaper to go with the former setup than the latter. Any thoughts? Tenchusatsu

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