If your GPU's powerful, and your AA, AF and IR are low, it can still assume i's able to manage dolphin at idle clocks when specifically told it can't. Try more IR.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56