@Bernd_afa
Most of the info on the PA6T is repeated here:
http://en.wikipedia.org/wiki/PWRficientAlso see:
http://www.hotchips.org/archives/hc18/2_Mon/HC18.S2/HC18.S2T1.pdf-edit-
Your linked coremark benchmark page puts a 1.7GHz PA6T in the same range as the Core 2 Duo ~1.6GHz:
CPU: P.A. Semi PA6T-1682M 1.7GHz
Compiler/OS: GCC 4.3.2 (Debian 4.3.2-1.1)
Coremark/MHz: 3.234
Coremark: 5497.80
Threads: 2 pthreads
Benchmarked: 06/17/09
CPU: Intel Core 2 Duo 1596MHz
Compiler/OS: GCC4.3.0 20080428 (Red Hat 4.3.0-8)
Coremark/MHz: 3.421
Coremark: 5459.87
Threads: 2 pthreads
Benchmarked: 06/09/09
Of course, there are many more powerful intel processors than that, but compared to existing PPC processors found in OS4 boxes, that should be a big step up. Alas when comparing to freescale CPU's you can't find any G4 processors on that benchmark site. Or at least I didn't see any.
Usual benchmark caveats apply but the conditions used don't seem too different.