CPU-Z

With CPU-Z you can read data about your processor, motherboard and working memory.

Developer CPUID

Version 3.01 · Freeware · Windows

Looking for an alternative to CPU-Z?Compare HWiNFO, HWMonitor, Libre Hardware Monitor.Compare alternatives

With CPU-Z you can read data about your processor, motherboard and working memory. For example, you can see the processor model and information about installed memory modules. This helps if you want to recognize parts without opening the housing directly.

You can collect data before asking for support or examining a possible upgrade. The information provides a starting point, but does not replace the compatibility data of your motherboard or computer manufacturer.

Download CPU-Z

Downloads are available for Windows.

Interpreting memory data correctly

Make a distinction between the current memory speed and the profiles that support a memory module. The SPD information describes the possibilities of a module; you do not yet know which profile the motherboard uses. In case of a hardware question, also save the motherboard model and the BIOS version. This way, you avoid an upgrade only on a separate frequency.

Which software suits you?

Compare CPU-Z with alternatives

For hardware information you can opt for compact identification or a wide list of sensors. Compare which components are recognized and whether you want to log values. A displayed temperature depends on the sensor and does not in itself prove that a component is defective.

Differences between CPU-Z and HWiNFO, HWMonitor, Libre Hardware Monitor
SoftwareWhat can it do?Platform and licence
CPU-ZYou are viewing this app You read technical data from processor, motherboard and memory. This is especially useful for identification and control of configuration. WindowsFreeware
HWiNFOView this alternative You investigate hardware and many sensors in an extensive system tool. You can track values and use additional measurement functions depending on the edition. WindowsFree for personal use
HWMonitorView this alternative You look at temperatures, voltages and fan values in a compact hardware monitor. The available measurements depend on your hardware and sensors. WindowsFree to use
Libre Hardware MonitorView this alternative You follow supported hardware measurements with an open source monitor. This is useful if you want to view sensors without a wide commercial diagnostic suite. WindowsOpen source

Choose an alternative to explore its features, system requirements and download options.

Who is it for?

You can use CPU-Z before buying memory, when comparing a offered computer or when you need technical support. You don't have to be a pushover for it. But it helps when you keep concepts like memory channel, timings and clock frequency apart.

Getting started

View the tabs for CPU, Mainboard and Memory. Write down exact model names if you want to find matching parts later.

Privacy

An exported report contains details of your hardware. Check the contents before you share it publicly. Online validation is a separate operation where you send information; you don't need to use it to read local specifications. Limit a help request to the relevant tabs or report items.

Good to know

A loose clock value can change during use. You cannot determine which upgrade is always compatible based on a single screen.

Please note

Do not simply compare DDR memory values with the number on the package: clock frequency and transfer speed are expressed differently. A low CPU clock at rest can be part of energy saving. Therefore, from a single snapshot, do not draw any conclusion that a part is working wrong.

Advantages

  • You can view processor, motherboard and memory data together.
  • SPD information helps identify your existing memory modules.
  • Reports make it easier to pass on a concrete configuration to an aid worker.

Things to consider

  • You have to understand the meaning of the measuring fields.
  • A specification report does not automatically tell you which component causes a malfunction.
  • Live values change with load and power management, making single screenshots incomplete.

Download CPU-Z

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Version history

3.01

You can have your hardware data validated with the renewed CPU-Z Validator V3.

What’s new?

  • You use the third version of CPU-Z Validator when sharing and validating your system data. This is the announced change in CPU-Z 3.01.
Report a new version

Is there a newer version of CPU-Z? Send the version number and a link to the official announcement. Our editors will check it. No login is required.

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Our verdict

CPU-Z helps you determine which processor, motherboard and memory configuration your computer reports. This is more useful than just the sales name of a PC when you want to expand memory or check a specification. You get technical data and current clock values; the program is mainly an information tool and not an automatic diagnosis of any performance problem.

Choose this tool for questions like what memory configuration you have or which motherboard is reported. For a complaint about runaways or cooling, you need additional observations. When asking for help, write down the tab used and the circumstances. This prevents data from the memory profile from being confused with the settings under which the computer is running at that time.

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