Kram over at PCMechanic is taking a look at single core, dual core and hyperthreading CPUs and describes their differences and similarities.

"However, the concept of computer multi-tasking has been with us for quite a while and it is not limited to dual-core. Multi-processor systems in servers and high-end workstations as well as Intel’s coveted Hyper Threading Technology have been with us for many years. Three technologies, one concept/goal. You may wonder, what’s the difference?"