I think the performance improvements have drastically changed due to the adoption of SSDs in Apple's line up. The Macbook Pros in the early 2012 started to inco

I think the performance improvements have drastically changed due to the adoption of SSDs in Apple's line up. The Macbook Pros in the early 2012 started to incorporate them around that time. Windows laptops took awhile to catch up starting with 'ultrabooks'