This 5-character identifier captures the power and performance class and features of Intel® Core™ processors. The letter prefix indicates the power and performance class. Within a power and performance class, a higher number indicates more features, including:

Prefixes indicate a range of power or performance type, within which each particular processor's specific power level or performance type resides. Example: a 31W Intel® Core™ Duo processor uses a "T" prefix because 31W falls between 25W and 49W. Prefixes are not intended to indicate form-factor.

Explore the processor in your current PC. Download a processor identification utility to learn about your processor's brand family, specific features and technical attributes.