New specifications for the upcoming Google Pixel Watch have been shared, including that it will apparently feature a co-processor to help out the Exynos 9110 with certain tasks. In addition, the Pixel Watch is expected to come with more RAM than the Galaxy Watch4 and support blood oxygen (SpO2) measurement.
https://www.notebookcheck.net/Google-Pixel-Watch-gets-Exynos-9110-co-processor-and-more-RAM-than-the-Galaxy-Watch4-in-attempt-to-squeeze-the-most-out-of-Wear-OS.621401.0.html