Pentium IV study 251
InQuest has published a study of the Pentium IV. It
found that because of the P4's cache design, it uses 4 times the memory
bandwith a PIII does on random access data benchmarks. Even on benchmarks which
benefit from the larger cache-line size, the P4 shows no benefit due to its
higher clock rate. Furthermore, the 1.5GHz P4's thermal diode throttles the
part to effectively 750Mhz as soon as power consumption exceeds 54.7W. Without
this limitation, a P4's maximum consumption would be 72.9 watts, similar to a
1.33 GHz Athlon's 73 watts.
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Pentium IV study
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