Re: "nifty software tricks to achieve similar speeds on CPUs"
Depends on whether the process runs in a Core rather than a CPU. I suspect the former. In which case a dual slot motherboard with 2 x 8 core CPUs would give you 16 processes.
Depends on whether the process runs in a Core rather than a CPU. I suspect the former. In which case a dual slot motherboard with 2 x 8 core CPUs would give you 16 processes.