The ARS article is a great read but it gets really technical
But video on the Pixel 6 should be amazing
"So what are those new capabilities? Here's one:
the previous Pixel phones' incredible camera performance despite their ancient sensors is thanks to its HDR+ algorithm, which, with a single button press, does exposure stacking across 10 photos taken in half a second and merges them into a single photo using machine learning. Thanks to the ancient camera hardware, though, the video quality on Pixel phones has been pretty bad, because there's just no way that you can run something like image stacking on a video... until now!
The Pixel 6 can run Google's HDR algorithm on 4K video for every single frame at 60FPS. Welcome to the world of video image stacking, brought to you by Google Tensor.
The video version of the HDR+ algorithm is called "HDR Net," and Google actually built a specific accelerator for this algorithm into the Tensor Image Signal Processor (ISP). Gupta said that this should "bring the signature Pixel look to videos.""
Learn more about the Google Tensor from the people that designed it.
arstechnica.com