Can you supply a link from where you downloaded the software?
Most likely, if this rpm was compiled for Fedora 6, then it is a matter of installing the rpm. The documentation I found on an earlier version stated that it was for Xfree86 and well as X11.
In terms of why rpm rather than a compiler package, you have to ask Intel, if that is who designed the package. Probably has to do with expected dependencies for a tar package that needs to be compiled, rather than an rpm package that may contain all the needed components.
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"I love it when a plan comes together." - Hannibal Smith