Yes. Forced feature level emulation adds translation overhead. You typically lose 30-60% performance compared to native hardware support.
Several open-source projects repackage the DirectX Control Panel with modern wrappers. The two most reputable mirrors are: dxcpl-directx-11-emulator.exe download
These sources are community-vetted. Ensure the file name matches dxcpl.exe – rename it yourself if needed. These sources are community-vetted
Solution: Stop using an emulator. You need a Windows compatibility layer (like using a Virtual Machine with GPU passthrough) or simply upgrade your OS. Windows 7 does not support the WDDM 2.0 model required for modern DX11. dxcpl-directx-11-emulator.exe download