I'd probably choose a much more compute/graphics focused SoC for a games console, like almost any smartphone SoC or even an APU. These STM32MP parts are design

I'd probably choose a much more compute/graphics focused SoC for a games console, like almost any smartphone SoC or even an APU. These STM32MP parts are designed for devices with realtime needs and real-world interface requirement, because they combine Application Processors that run Linux (albeit not quite as fast as a cutting-edge phone SoC) with a Cortex-M core made for realtime application use, as well as interface peripherals like CAN. Basically these are supposed to be a bridge between the "embedded" world and the "Linux" world.