It sounds like you have the PowerColor 9600 Pro EZ, which comes with very slow RAM. It may in fact be 4ns RAM which could be overclocked to its rated 250MHz (DDR500), but will never touch the full Pro card in performance.
<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>