Fuente: EOL y Meri:

[quote]it's only a rumor based of a closed-door comment by one of the executives of thq:

“of course, cell has more raw power than xenon and can achieve more floating point process, and the BR it's the perfect complement; but Xenon outstands in real performance, and Xenos it's a little far superior than RSX. I believe that Xbox 360 has more final visual performance in real terms, but the differences are smallâ€