Processor frequency aka clock speed , multithreading, microarchitecture generation, the type of CPU desktop or mobile , and software optimization also play a role. But the easier way to tell how well your processor stacks up against others is to simply look up benchmark results for the things you do regularly: office work, gaming, video encoding, etc.
The details will tell you both how many cores and logical processors your CPU has. Open the Command Prompt or PowerShell. The output of the command tells you how many cores and how many logical processors are found in each CPU on your computer. After running the app, you can see the number of physical cores and threads logical cores at the bottom.
By default, System Summary should be selected automatically. You should see one or more lines pertaining to the processor listed. If you have more than one CPU, it will list out each one on a separate line. So now I can tell my machine has two CPUs, each with 2 cores. My other PC also has four cores, but only with one processor. Easy enough, right? You can also use a free third-party program to get all kinds of detailed information about your processor.
Both of the programs work really well and give you just about every detail you can imagine about your hardware.
So those are the quick and easy ways to find out how many cores you have in your PC. However, starting with Windows XP in , Windows began supporting multi-core operations and many application developers followed suit.
As a result, pretty much any resource-intensive software you use today will fully utilize the power of the multi-core processor that you almost certainly have running under the hood.
Check out this detailed article about multi-core processing for more information. The answer is that it really depends on the version of Windows you are running. For older versions of Windows, such as Windows XP, you might need to change a system setting in your BIOS in order to get multi-core functionality working. In any newer version of Windows, however, multi-core support is automatically turned on; you can adjust your settings to use fewer cores if necessary to fix a software compatibility reason, but this is exceptionally rare.
The only time you would use this technique is to limit cores, whether for software compatibility reasons or otherwise. This is because Windows is configured to utilize all cores whenever a program has the ability to use them.
In Windows Vista, 7 and 8, the multi-core setting is accessed through the same msconfig process as described above for Windows
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