Well lets face it RDRAM especially PC1066 has more memory bandwidth than DDR. The Intel 850 series is currently the only RDRAM chipset for the P4. All the benches I see for p4's anymore use PC1066 which is not supported offically by the chipset. All the benches I see for the AthlonXP use DDR333 and the VIA KT333. Now there are many DDR systems shipped by major manufactures with AthlonXP + DDR combos and to my knowledge there are few if any shipping RAMBUS PC1066 + p4. Most P4 systems sold use DDR and not RDRAM. Why should we benchmark P4 + RDRAM vs AthlonXP + DDR? Shouldnt it be AthlonXP + DDR vs. P4 + DDR?