How does a “core” and “thread” in a processor work? What is their difference?

Question

How does a “core” and “thread” in a processor work? What is their difference?

In: 125

Answer 1

Core is real worker. Threads are conveyor lines with work to be done. Why? One half empty line = core does nothing half of time. Many half empty lines = core is always busy, give us nearly 100% of its capabilities. 2 threads per 1 core used to be optimal value.