Kaby Lake now with four cores. Intel announces quad-core processors based on the current Kaby Lake architecture just in time for the CES. We already had the chance to test the CPUs in some laptops.
http://www.notebookcheck.net/Review-mobile-Intel-Kaby-Lake-Quad-Core-CPUs.189755.0.html
I have seen that the tray price of i7-7820HK, i7-7820HQ and i7-7700HQ is the same, so why would one choose the latter having less cache and clock speeds?