CPU-Z

CPU-Z is a freeware that gathers information on some of the main devices of your system:

• Processor name and number, codename, process, package, cache levels.
• Mainboard and chipset.
• Memory type, size, timings, and module specifications (SPD).
• Real time measurement of each core's internal frequency, memory frequency.

CPU-Z is often downloaded to find out which processor is installed in a computer, and to measure the CPU's operating frequency.