ProRes is actually worse at the same bitrate when compared to H.265 or AV1, and sometimes even worse than H.264. The advantage is that it's easier to edit because it's all intraframe, not that it has higher quality - it's worse. Even intraframe HEVC is going to be better than ProRes. H.265 really is going to give you consistently better pSNR and SSMI than ProRes, and that shouldn't be surprising - interframe compression is better for quality.
The only advantage here is slightly better denoising, yes. But denoising doesn't change the dynamic range limit, it just hides the noise visually. The SNR is actually going to be lower.
The only advantage here is slightly better denoising, yes. But denoising doesn't change the dynamic range limit, it just hides the noise visually. The SNR is actually going to be lower.