This is not really true. When running in 64-bit mode, the cache is
effectively halved.

It's no accident that higher-end Conroe processors have 2MB of cache.
On a given CPU with a given amount of cache, 32-bit mode will
GENERALLY be faster so long as you're not using PAE, it's all
cache-dependent. We're talking 10% at most though.

64-bit is really useful if you're manipulating huge amounts of RAM
(>2GB) with something like TimesTen In-Memory Database or Oracle
Database.

Most other applications can run OK even in 32-bit mode, the really big
apps (like Oracle...) can use the PAE extension to address up to 64GB
of RAM even on 32-bit systems, with a performance hit of course.


On Nov 27, 2007 2:15 PM, Dax Solomon Umaming <[EMAIL PROTECTED]> wrote:
..
> 64-bit computers process data in larger chunks than 32-bit - so everything
> comes into place, not just the amount of memory that you have installed. This
> will also depend on the software you're running. If it's 64-bit, then it'll
> perform much much faster even if compared on a 32-bit machine with more ram
> and faster cpu.
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