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 point of it is. In short, simultaneous multi-threading (SMT)—the academic name for what Intel calls Hyper-Threading—isn’t really intended to improve

Source: Hot Hardware – Future Intel CPUs May Dump Hyper-Threading For Partitioned Thread Scheduling