It has taken Samsung a while, but it has detailed what chipsets power the Galaxy A13, Galaxy A23, Galaxy A33 5G, Galaxy A53 5G and Galaxy A73 5G. Disappointingly, Samsung has re-used older Exynos and Snapdragon SoCs, but there are some newer options available.
https://www.notebookcheck.net/Samsung-confirms-Galaxy-A13-Galaxy-A23-Galaxy-A33-5G-Galaxy-A53-5G-and-Galaxy-A73-5G-chipsets-with-two-Exynos-and-two-Snapdragon-SoCs-to-be-had-in-this-year-s-Galaxy-A-series.610846.0.html