Originally Posted by email@example.com
Yeah, but isn't that 'cause the current implementation of Sonoma technology hasn't been optimized for dual-channel memory? Or did I read tomshardwareguide.com wrong??
That is correct. The intel 915PM chipset, though improved in bus speed and bandwidth, it is no where near the desktop counterpart. So the reason for Dual Channel DDR2 to have only 5% improvement over single channel is because the bus is unable to utilize the amount of bandwidth output by the dual channel.
ANother thing is the latency of the memory also contributed to the limited improvement. However, over time as manufacture starts to develop a better latency memory, DDR2 will burn pretty well. They have features on them over DDR.
As Corsair put it many times, DDR2 start where DDR left off. So, think of DDR when it was first released. It was lagging at the start as well. Over time improvement to the memory making it a primer memory. If DDR2 starts where DDR left off, meaning the DDR2 memory we see now are first generation memory.