CPU-Z is a free diagnostic tool that provides information on your CPU and some of the main devices of your system, including:

CPU:

• Name and number.
• Core stepping and process.
• Package.
• Core voltage.
• Internal and external clocks, clock multiplier.
• Supported instructions sets.
• L1 and L2 cache information.
• Location, size, speed, and technology.

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.

What's New in version 1.46:

• AMD Puma platform (Turion & Turion Ultra "Griffin");
• AMD Black Edition processors.
• Intel Xeon EX "Dunnington".