CPU vs. GPU

Out of curiosity. if one selects CPU to process a video vs. selecting GPU for the video process of the same video, other than the length of time to complete the job? Do GPU and CPU give a different QUALITY of the new rendered video?
let’s leave a side compression and assume lossless is used and only focus on TVAI using one or the other (CPU vs. GPU).

Asking because for example h264/265 vs. x264/x265, there is a difference if one uses CPU or GPU, So I was wondering if TVAI might produce different quality of the same video if CPU is used vs. GPU…

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I haven’t had the patience to wait for a CPU-only job to complete a preview in 4.x, that’s how slow it is, but back in 3.x the live previews didn’t seem to show any difference. So I’d say it’s all about processing time.

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