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Hello Ch1415 ,
Thank you for joining the Intel communities.
The benefit of a multicore processor over a single core processor depends on what you need the system for.
Having a multicore processor means that you can run more applications at the same time or work in big applications with more efficiency than with a single core processor. It is a big difference in performance when you have a multicore processor.
Quad-core processor, by contrast, has four CPUs on a single chip and executes four separate operations at the same time, drastically reducing waiting times and enhancing the computer's productivity.
I hope this can help you.