How to interpret the Processor specs shown on the System screen of a computer, for example 'Intel Core i7-4600u 2.1 GHz x 4'? In particular, how is i7-4600u compared to other variations -
Dell Latitude E7440 with Intel Core i7-4600U CPU @ 2.10GHz, 8 GB RAM, 500 GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.