PC800 RDRAM is only 1.6 GB/sec bandwidth per channel - it's an 800 MHz
effective clock speed with a 16-bit bus. PC3200 uses a 400 MHz effective
clock speed with a 64-bit bus for 3.2 GB/sec per channel.
--
Robert Hancock Saskatoon, SK, Canada
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"Barry Watzman" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> The 3.2 GHz/sec bandwidth is per channel, and the P4T-E is dual channel.
> The overall bandwidths of the two memory systems are the same, but the
> P4T-E, which is a 2001 design, only supports a 100/400 MHz FSB with a
> top CPU speed of only 2.6 GHz and no Hyperthreading. So a P4T-E system
> is a lot slower, but the memory subsystem is the same speed.
>
>
>
> Robert Hancock wrote:
>
> > If you get a new board with dual-channel DDR400 (PC3200) memory, that
will
> > give you 6.4 GB/sec of memory bandwidth, which should blow away the
> > dual-channel PC800 you have now with only 3.2 GB/sec of memory
bandwidth..
> >
>
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