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 allows you to review all kinds of detailed data about various areas of your computer in a straightforward and concise manner. With this program, you can quickly see what's going on in real time, and you can save reports at any time in either TXT or HTML formats.