Full Details from Amazon.com : http://www.amazon.com/gp/product/B007SZ0ECE?tag=onigi-20<br /><br />Intel Core i5-3450 Quad-Core Processor 3.1 GHz 6 MB Cache LGA 1155 - BX80637I53450<br /><br />Model Intel Core i5 Processor i5-3450 <br />Clock Speed 31 GHz <br />Max Turbo Frequency 35 GHz <br />Intel Smart Cache6 MB <br />Lithography22 nm <br />This Processor is a Quad Core Processor
