Intel® Processor Numbers

Intel® Core™ processors

Processor numbers for the Intel® Core™2 family and Intel® Core™ Duo and Solo brands are categorized in 4-digit numerical sequences with an alphabetical prefix.This five character identifier captures the power and performance class and features of Intel® Core™ processors. The letter prefix indicates the power and performance class

Processor numbers for the Intel® Core™ i7 processors are categorized in three digit numerical sequences, preceded by the i7 identifier.

A higher number within a processor class or family generally indicates more features, including:
· Cache
· Clock speed
· Front Side Bus
· Intel® QuickPath Interconnect Speed
· New Instructions
· Other Intel® technologies¹
Note that a higher number processor may have more of one feature and less of another