CPU-Z by CPUID is a free system profiling and monitoring application for Microsoft Windows. It provides detailed information about your CPU, motherboard, memory, and graphics card. It's an essential tool for hardware enthusiasts, overclockers, and anyone who wants to know exactly what's inside their computer.
The software gathers information on some of the main devices of your system including processor name and number, codename, process, package, cache levels, mainboard and chipset, memory type, size, timings, and SPD specifications.
CPU-Z also includes a benchmark feature that lets you test your CPU's single and multi-thread performance, allowing you to compare your results with reference processors.