The creators of RPCS3 are working on a Playstation 4 emulator
They managed to emulate the PS3 with its almost infamous CPU so this should be no problem for them.
https://www.dsogaming.com/news/the-creators-of-rpcs3-are-working-on-a-playstation-4-emulator/Open linkView original on lemmy.world
Yeah, ps4 is from 2013. 10 years should be enough for CPUs/GPUs to emulate it decently.
And it's x86-64 architecture so it should be a little bit simpler/faster to emulate.