No, you should not have faster rendering with D3D11 than D3D9.
Yes, others have also reported that the 630 is too slow for good quality HDR to SDR. Have you tried changing madVR's HDR options?
madVR will not be able to force the output bit depth, the GPU has to be the one in control.
Last edited by Asmodian; 3rd April 2018 at 01:41.
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