Which memory is faster?

[John P. Myers]

Ah. Per CPU. I thought 4 channels meant 4 DIMMs. But the rule is "one DIMM channel, per CPU"? So in this case, the CPU has 4 channels x 2 CPUs = 8 DIMMs?

Any chance I could have known your answer from the numbers in the images I posted? What would have told me what you summarized? Or was the info from CPU-Z not sufficient to make a decision?

Yes, 4 channels x 2 CPUs = 8 DIMMs is the right way to look at it.

CPU-Z shows in the upper righthand corner the "Channel #". With 8x8 it says quad and with 4x16 it says dual.