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    One chip (socket) with two cores that shows up as a total of four CPUs to the system due to hyper-threading. Commented May 10, 2017 at 9:02
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    @Kusalananda, The CPU(s) in the lscpu gives the number of logical central processing units (number of cores ) in one physical CPU. Isn't it ? Commented May 10, 2017 at 9:06
  • @saisasanka Yes. Related question: unix.stackexchange.com/questions/88283/… Commented May 10, 2017 at 9:09
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    @saisasanka In this case, there are 4 CPUs and 2 cores in 1 socket. The socket is physical, as are the cores on it. Each core shows as 2 CPUs ("Threads per core"). Commented May 10, 2017 at 9:11
  • CPU(s) = Core(s) per socket * Thread(s) per core Commented Jul 3, 2017 at 6:57