CPU-Z is a free is an advanced System Information tool for PC. It collects
Name and number.
Core stepping and process.
Internal and external clocks, clock multiplier.
Supported instruction sets.
Vendor, model and revision.
BIOS model and date.
Chipset (northbridge and southbridge) and sensor.
Frequency and timings.
Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table.
Windows and DirectX version.