Hi, I'm looking to upgrade to a new 12 inch 2017 Retina Macbook, and just wanted to get some advice from people with knowledge. I am currently running a MacBook Pro 13 inch early 2011 model. It runs a Sandy Bridge Dual Core i5 2.3GHz Processor. I was wondering if anyone knew how that compared to the i7 KabyLake processor in the 2017 12 inch Retina MacBook. I know very little about processors and would be keen to understand from someone with knowledge a bit more about whether or not I would be jumping up in processor speed. Many Thanks in advance!