ExperimentalPi sells a handful of different kits that let you turn a Raspberry Pi into tabletop or handheld game console for retro gaming. But the new PiBoy Mini is the smallest and cheapest to date.
The Raspberry Pi 5 is a single-board computer with a quad-core ARM Cortex-A76 processor, up to 8GB of RAM, and a PCIe interface that makes it possible to add SSDs, hard drives, AI accelerators, ...