If you compare the SMP diagram with the hyper-threading diagram, you can see that the same amount of work gets done in both systems, but the hyper-threaded system uses a fraction of the resources ...

Hyper-Threading has been in Intel's processors for years. It's the main difference between the Core i5 and i7, and that many games don't use it explains why i5s power some serious gaming rigs.

Hyper-Threading is one of those concepts that's been around a long time, and which everyone takes for granted. Despite that, relatively few enthusiasts really understand how it works or what the ...