What is the difference between CPU and Cores? The screenshot below is


  1. Posts : 88
    wind 10
       #1

    What is the difference between CPU and Cores? The screenshot below is


    What is the difference between CPU and Cores?

    The screenshot below is very confusing. I couldn’t figure out the difference between CPU, Cores and socket.
    Which is contained in which?
    Is the total speed in 2.2GHz for each Cores?
    How does the number of CPUs affect the speeds?
    How does the number of Cores affect the speed?

    Thank you

    Best

    Jamal


    What is the difference between CPU and Cores?  The screenshot below is-clip_802.jpg
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  2. Posts : 42,737
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #2
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  3. Posts : 3,257
    Windows 10 Pro
       #3

    The DirectX diagnostic tool is pretty old, dating back to windows 95. I don’t think it was ever updated to differentiate between cpu’s and cores. back then, all cpu’s only had one core, and no hyper threading either. so if you had 64 cores, you had 64 cpus.

    in general the terms socket and cpu are interchangeable, but not always. for instance, some amd packages have 2 cpu’s each with multiple cores in a single socket.

    a socket is a physical package. a cpu is a collection of cores. logical processors are cores + hyperthreads (hyperthreading allows a single core to use multiple pipelines to simulate 2 cores, but the second one typically only gives about 50% of the performance of the first)

    the speed is for each core. more cores don’t make it go faster in most cases. it just allows it to do more work at the same speed. the exception is software specifically designed to utilize multiple cores/processors. like ray tracing, math, and transcoders. if the work can be broken down into small units that allow multiple cores to work on it simultaneously, then it completes the work faster.

    imagine an office with 64 workers. they can’t all answer the same phone call and deal with the work at the same time. the call won’t go faster. but it can answer 64 phone calls.
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