Ryzen chipset efficiency is so impressive. The top 8 cores seem to be the primary cores for heavy/medium/light tasks. The 4 cores below that manage medium/heavy tasks, and the bottom 4 cores
First Benchmarks show AMD Ryzen 7 4800HS to be faster than Ryzen 7 2700X and Core
AMD Ryzen 7 4800HS appears in Time Spy CPU benchmarks - CPU - News - HEXUS.net