TweakTown published an Intel Core 2 "Conroe" Memory Settings Guide
Intel’s Pentium 4 architecture was one of the most bandwidth hungry - if you shoved DDR into it with a 400MHz rate with extremely low latencies, the system would perform worse then if it had 433MHz memory with higher latencies. Pentium 4 was just so memory hungry that higher MHz was better than lower latencies.Intel Core 2 "Conroe" Memory Settings Guide
