In the 14.2 Beta for Premiere Pro, Adobe has added support for H264/HEVC hardware encoding with both NVIDIA and AMD GPUs. How well does this feature work, and is it any faster than the existing implementation using Intel Quicksync?

In the 14.2 Beta for Premiere Pro, Adobe has added support for H264/HEVC hardware encoding with both NVIDIA and AMD GPUs. How well does this feature work, and is it any faster than the existing implementation using Intel Quicksync?