The Intel Celeron D is a value-priced processor. The Celeron D processors include a larger integrated L2 cache and faster processor system bus when compared to Celeron processors. Celeron processors are available at speeds ranging from 1 GHz to 2.80 GHz. Celeron D processors offer a 533 MHz multi-transaction processor system bus with 256-KB Level 2 cache. Intel added Extended Memory 64 Technology to its value oriented Celeron D line.Celeron D Processor BriefIntel's Celeron D Product Brief Web page.Intel Celeron D: New, Improved & Exceeds ExpectationsAnandTech provides an introduction to Intel's Celeron D processors.Value Overclocking GuideThis SharkyExtreme overclocking guide compares the Celeron D to the Sempron 3100