My late 2014 rMBP 15" performs just like the video, and with nothing else running. It's the only thing that's disappointed me with my purchase - their flagship

My late 2014 rMBP 15" performs just like the video, and with nothing else running. It's the only thing that's disappointed me with my purchase - their flagship laptop (well, 2nd from the top, I have the 2.2GHz) should run the OS silky smooth. Like my 2010 MBP did when I bought it in 2010.