How can the CPU tell whether it is a true quad-core or a virtual quad-core?

First time to use it? CPU-Z？ Will it appear? Number of cores/? Number of threads? ,? The first is the physical quantity? Number of second threads? What do you mean? Virtual quad-core.

Second? According to the model, Online information

Third? By experience? ,? Like what? The friend in front said that? , for example? AMD？ A large part? CPU？ All models? x2？ x3？ x4？ It says,? What does this mean? Core number,? AMD？ No? Hyperthreading? What does it say? There are several physical cores.

Intel's situation is more complicated. This? Really just lean on it? Remember it.

Like what? i3？ All of them? Physical dual core? Logical quad-core i5? Really double virtual four? Or? True four? ,? I seem to have seen everything. True Quad Core Virtual eight nuclear? And then what? True six virtual twelve?

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Besides,? AMD？ How many years ago was the heat dissipation not good? If it is really bad heat dissipation, can it be combined? Intel? After all these years of competition?