Definitely. Xeons are targetted towards businesses, which generally have a wider variance of needs. So at that point, what can you do but give it a code name, and plenty of documentation. Clicking on the Xeon E5 v3 family link[0] and then click on "Compare All", takes to a page that has a feature by feature comparison of all of those processors[1], which you can use to pin down the specific processor to meet your needs.

[0] - http://ark.intel.com/products/family/78583/Intel-Xeon-Proces...

[1] - http://ark.intel.com/compare/?ids=85766,85765,85764,85763,85...