The original leak was correct at the end of the day, they managed to increase the core count and improve Turbo clocks (up to 4.7 GHz) with another iteration of 14nm. All-around looks like an impressive little chip, and I really like the fact that Intel is confident to compare it to Kaby Lake where the latter does best (gaming). Some interesting tidbits:
Up to 25% faster than Core i7-7700K @ Gears of War 4. The game
doesn't seem to scale much with more than 4C/8T, so I'm guessing extra cache + uncore + faster RAM are helping here. New gaming king in town?