Technical specifications for the Intel® Xeon® Processor 5000 Series can be found here:
http://www.intel.com/cd/products/services/emea/rus/processors/xeon5000/344538.htm
Intel® Xeon® 3000 series processor specifications:
http://www.intel.com/cd/products/services/emea/rus/processors/xeon3000/344506.htm
Intel® Core™2 Quad processor specifications:
http://www.intel.com/cd/products/services/emea/rus/processors/core2quad/362630.htm
Intel® Core™2 Duo processor specifications:
http://www.intel.com/cd/products/services/emea/rus/desktop/processors/336881.htm
