This is anecdotal - on my 2008 Macbook (not Pro) and on my 2011 MBP, Windows 8+ always felt snappier than the latest version of OSX (ymmv based on what you do).

This is anecdotal - on my 2008 Macbook (not Pro) and on my 2011 MBP, Windows 8+ always felt snappier than the latest version of OSX (ymmv based on what you do). I have seen other people on HN report similar.