actually its not really AMDs fault - but lazy BIOS devs of MSI, Gigabyte and ASUS ;)
has to do with the ASMedia hw-exploit - but i hope it get fixed soon for new BIOS versions
PC: R7 2700X @PBO + RX 580 4G (1500MHz/2000MHz CL16) + 32G DDR4-3200CL14 + 144hz 1ms FS P + 75hz 1ms FS
Laptop: R5 2500U @30W + RX 560X (1400MHz/1500MHz) + 16G DDR4-2400CL16 + 120Hz 3ms FS