High iso in photo vs video

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Vi Vy Junior Member • Posts: 26
High iso in photo vs video

If a given sensor shooting a given ISO produces a given perceived quality of photograph (measured in terms of noise and dynamic range). 6000x4000 24 MP.

Will shooting 4K video at the same ISO yield a better perceived quality video (measured in terms of noise & dynamic range) ? 3840x2160 (8.3 MP according to exiftool)

Since the video resolution is half of a photo resolution does the image processor (pixel binning or something similar ? ) produce a less noisy video ?

I shoot with A6400 but the question is more generally about how sensors perform in terms of ISO in photo vs video.

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