Advantages of 64-bit on my laptop?

[Alan Cox]

On Sun, 06 Dec 2009 15:32:25 -0600
Robert Nichols <rnicholsNOSPAM at comcast.net> wrote:

> I just noticed that the CPU in my Lenovo laptop is 64-bit capable.  It
> came with a 32-bit OS installed, so I never bothered to check.  Is
> there any real advantage to running the 64-bit version of Fedora on a
> laptop that is limited to 2GB RAM?  Just wondering.  The F-12 x86_64
> Live CD does boot and run just fine.  I've been running the i686
> versions of F-11 and (now) F-12.

Performance - anything above about 900MB is much happier 64bit