0. update Win10 to 20H2
1. disable Win10 auto-driver-install
2. use DDU in safe-mode to clean old driver
3. download latest driver from AMD website (not auto-detect)
4. install latest driver
5. test again
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