CPU-Z

CPU-Z is a freeware software that gathers information on some of the main devices of your system. This program supports the detection of the processor’s core voltage, L2 bus width, support for two processors, and memory timing (CAS Latency, RAS to CAS, RAS Precharge).
You can remove the program either from the Add or Remove Programs window (from Settings, Control Panel), or choose Uninstall CPU-Z from the Start menu, Programs, CPUID, CPU-Z. CPU-Z supports Windows XP / Windows Vista / Windows 7 / Windows 8 / Windows 10.
CPU-Z Main Features:
You can see Processor name and number, codename, process, package, cache levels. clocks speed.
You can see Mainboard and chipset Information, model, bios, version. You can see Memory type, size, timings, and module specifications (SPD).
You can see Graphics information, type, size, clocks, technology, name.
You can see Real-time measurement of each core’s internal frequency, memory frequency.