Pentium 4. Silent PC Review is also a good source of info on underclocking. Finally, as to our choice of a Pentium M vs. an Opteron 150 or 165 for the processor - neither Opteron was available while we were preparing this article. We are in touch with AMD...

late to the game, it has to be said that it is no doubt a very potent chip. Despite being paired with a much slower CPU (Athlon XP-M 2500+/ 1.86 GHz vs. P4 2.4 GHz), the Mobility Radeon 9600 was able to beat NVIDIA's flagship mobile chip in several benchmarks...