Incidentally, the CPU inside the PS4's APU is comprised of two Jaguar-based quad-core processors – akin to a somewhat rare AM1 Athlon SoC.
After all, even PS3 emulation can still be hit or miss (though, to be fair, some of that is due to the PS3’s Power PC-based Cell Processor, which makes emulation tricky). And yet, PS4 emulation ...