None, those features are mostly built into stock OS apps or are done over the Internet through Google. Some can be run by installing those apps again. Having a NPU on the device does help speed up AI/ML operations and we could take advantage of it. Camera app uses it for image processing.

A lot of people think it's a hardware thing, but dedicated hardware to do certain processes faster has existed for a long time... like GPUs.

That would be my guess. Other than more processing power I mean.