The duplication of some 486 substructures in the Pentium line is
significantly less than an entire core. A dual-core chip more closely
resembles one of the dual-CPU rigs of Pentium Pro and Pentium II vintage.
It seems to me that Intel did not introduce hyperthreading until sometime
after it had dropped multi-CPU support from its standard models, and I
suspect that combining these two features in a single family is a dauntingly
complex problem which may not yet have a solution.
David Gillett
Peter Shkabara <[log in to unmask]> writes:
> The more I learn the more I get confused. From Intel specs I find that the
> Pentium D is a dual core processor but does not support Hyper-threading. Is
> this because Intel has not yet created a dual core version that does include
> Hyper-threading, or is there something inherent to the design to preclude
> this?
>
> Another related question to pose. The Pentium itself can be thought of as a
> dual core 486. Does this mean that the Pentium D is really something similar
> to a quad core 486? (I do realize that the Pentium core has a lot of improved
> technology over the 486)
>
>
> Peter
>
> [log in to unmask]
>
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