I'm happy to answer any questions around this! We've been working on this since update since we launched the product last year, so we're excited to be able to share it today.
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Really like the laptop though, and it's a close contender when it's my time to upgrade... :)
I'd guess that the 2 extra cores don't really make much of a difference day-to-day. If you crank up all the cores, both chips will throttle in a laptop of that size. If you are only running a couple single-threaded applications, the extra 100MHz turbo hardly makes a difference (around 2-3%).
On the flip side, the places that need/want vPro are going to be very enterprisey and don't mind spending the extra money.