Unless the media also uses HDR in which case the server will still be required to transcode.

The benchmarks go against the narrative that Windows and Linux are pretty much equal in performance. I’ve read regularly that Linux is “often” faster than Windows for gaming, especially from more recent Linux users.

5 years ago, 15% performance difference were the expected performance loss through DXVK and wine/proton, so these benchmarks would’ve been the expected result.