https://wccftech.com/google-pixel-5-pixel-4a-5g-lack-pixel-neural-core-face-unlock/

There are a lot of things to appreciate about both the Pixel 5 and Pixel 4a 5G. Both of them sport symmetrical bezels, which Google’s executives didn’t bother talking about during the presentation and both of them also provide support for mmWave 5G networks and still not going overboard when it comes to pricing. These are some of the things to appreciate as part of Google’s efforts, but there is one detail the company did leave out during its official announcement; none of the two models feature the company’s custom Pixel Neural Core.

Speaking to Google’s Pixel hardware team, Android Police confirmed that the lack of the Pixel Neural Core on both the Pixel 5 and Pixel 4a 5G.