Both of these new processors are based on what is known as Intel's Prescott 2M core for the Pentium 4. They have very deep 31-stage pipelines, which means they can hit impressively high clock speeds but somewhat at the expense of longer latencies on branch execution misses because the core must reissue back through that long pipeline. In addition, both of these CPUs have the beefed-up 2MB L2 caches on board, which should assist significantly in keeping that pipeline full with data from this local on-chip high-speed memory rather than going off chip to significantly slower system memory.



Link: HotHardware