2 to 3 times the performance of the rp4, plus a real time clock and button on board. While running cooler at the same level of load on the processors. It will take a board that lets you mount an M.2 SSD. It can effortlessly run dual 4K 60Hz monitors. Available in 4 and 8GB models this the memory running at twice the speed of the previous model. You could also connect a high end graphics card to the rp5 instead of an ssd. There used to be a display and camera connector, and now those are two connectors that will let you connect either a camera or display to each connector. It can accept a 25W usb c powersupply. It should also overclock to an insane level.
https://www.raspberrypi.com/news/introducing-raspberry-pi-5/
