That fits. The p4 had a long pipeline, high clock speed, and poor perf per MHz. AMD pushed the general performance score, forget the name, and seems like the

That fits. The p4 had a long pipeline, high clock speed, and poor perf per MHz. AMD pushed the general performance score, forget the name, and seems like the succeeded. Doubly so since they shipped x86-64 first, which people did care about. I wrote a few microbenchmarks to explore the performance promises of rambus, and didn't find anything.