That laptop should handle a 100mbps internet connection absolutely no problem, i'm not sure what test that is but it is wrong.
From what I found that laptop uses the intel N4200 CPU, which has a base clock speed of 1.1ghz and a turbo clock of 2.5ghz. So it is already capable of more than 2.0ghz. Not sure why that would matter anyway, any somewhat modern laptop or even smart phone with a decent network card can handle a lot more than a 100mbps internet connection.