What is CPU-Z

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

CPU

• Name and number.
• Core stepping and process.
• Package.
• Core voltage.
• Internal and external clocks, clock multiplier.
• Supported instruction sets.
• Cache information.

Mainboard

• Vendor, model and revision.
• BIOS model and date.
• Chipset (northbridge and southbridge) and sensor.
• Graphic interface.

Memory

• Frequency and timings.
• Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table.

System

• Windows and DirectX version

관련링크 : 

http://www.cpuid.com/softwares/cpu-z.html