The fastest way to check your processor

On Windows, right-click the Start button, select "System", and look for "Processor" in the window that opens. On Mac, click the Apple menu, choose "About This Mac", and read the line that says "Chip" or "Processor". On Linux, open a terminal and type lscpu, then press Enter. You will see your processor name and speed in the first few lines.

That is the complete answer for most people. The processor name tells you what you have — something like "Intel Core i7-13700K" or "Apple M3" — and that is usually all you need to know. If you want to understand what that name means, or if you need more detailed information, the sections below walk you through both.

Key Takeaways

  • Windows users can find their processor by right-clicking the Start button, selecting System, and looking for the Processor line.
  • Mac users should click the Apple menu, choose About This Mac, and read the Chip or Processor line.
  • Linux users can type lscpu in a terminal to see processor details.
  • The processor name itself — like "Intel Core i5" or "Apple M2" — tells you the brand and generation, which is enough for most purposes.

Understanding what the processor name means

Processor names follow a pattern that tells you roughly how powerful the chip is. Intel processors are usually named "Core i3", "Core i5", "Core i7", or "Core i9" — the higher the number, the faster it is. After that comes a generation number: an i7-13700K is a 13th-generation Core i7, while an i7-12700K is 12th-generation. Newer generations are usually faster than older ones, even if the series number is the same.

AMD processors follow a similar pattern with names like "Ryzen 5" or "Ryzen 7". Apple's chips are named by generation and capability: an M1 is older than an M3, and an M3 Pro is faster than a standard M3. The exact speed of your processor is measured in gigahertz (GHz) — you will see this number in the System window on Windows or the About This Mac window on Mac. A processor running at 3.5 GHz is doing 3.5 billion calculations per second.

Where to find more detailed processor information on Windows

If you need specifics beyond the processor name — like the number of cores, cache size, or exact clock speed — Windows has a built-in tool called Task Manager. Press Ctrl+Shift+Esc to open it, then click the "Performance" tab and select "CPU" from the left side. You will see the processor name at the top, plus the number of cores, threads, base speed, and current speed.

For even more detail, you can use a free tool like CPU-Z, which you can download from cpuid.com. It shows cache size, voltage, and other technical specifications. Most people do not need this level of detail — the processor name and speed from System Settings are enough to know whether your computer can handle the software you want to run.

How to check processor information on Mac

The About This Mac window gives you the processor name and speed, which is usually all you need. If you want to see the number of cores and threads, click the "System Report" button in that same window. A new window will open showing "Cores" and "Threads" under the processor information.

You can also open Activity Monitor (search for it in Spotlight by pressing Command+Space) and click the "CPU" tab to see how many cores your Mac is using right now. This does not tell you the total number of cores, but it shows you how your processor is being used by running programs.

Checking processor details on Linux

The lscpu command shows processor name, speed, number of cores, and cache information. If you want to see which processor cores are currently active, type nproc to see the number of available cores. For real-time processor usage, type top and press Enter — this shows which programs are using the most processor power right now.

If you need the processor model number (a longer string of numbers and letters), type cat /proc/cpuinfo and look for the "model name" line. This gives you the full technical name that manufacturers use internally.

Why you might need to know your processor

The most common reason to check your processor is to see whether your computer can run a specific program. Software makers list processor requirements on their websites — they might say "Intel Core i5 or equivalent" or "Apple M1 or later". Knowing your processor name lets you compare it to those requirements.

You might also need your processor information when troubleshooting a problem, buying new software, or selling your computer. Tech support staff sometimes ask for your processor name to understand what your computer can do. If you are upgrading your computer, knowing your current processor helps you decide whether an upgrade is worth the cost.

Frequently Asked Questions

Is my processor speed in GHz the same as how fast my computer runs?

Not exactly. GHz measures how many calculations your processor does per second, but a newer processor at 3.0 GHz can often do more useful work than an older one at 3.5 GHz. The processor name and generation matter more than the raw speed number.

What is the difference between cores and threads?

A core is a physical processing unit inside your chip. A thread is a task your processor can work on. Most modern processors have multiple cores, and many can handle two threads per core, so an 8-core processor might handle 16 threads at once. More cores and threads usually mean better performance when running multiple programs.

Can I upgrade my processor?

On most laptops and many desktop computers, the processor is soldered to the motherboard and cannot be removed. On some desktop computers with older motherboards, you can replace the processor, but you need to check your motherboard manual to see which processors it supports. It is usually cheaper to buy a new computer than to upgrade an old one.

Does my processor speed slow down over time?

Your processor does not permanently slow down, but it may run slower temporarily if it gets too hot. If your computer feels slow, restart it first. If it stays slow, check whether dust is blocking your cooling fans, or whether a program is using all your processor power. You can see this in Task Manager on Windows or Activity Monitor on Mac.

What if I see multiple processor names in my system information?

You might see both an integrated graphics processor (built into your main processor) and a separate graphics card listed separately. Your main processor is the one listed as "Processor" or "CPU". The graphics processor handles video and games. Both are normal to have.