Ask API. GET https://whichemulator.wtf/ask answers questions from the same data as this page, and it is the only place the setup steps are published. It takes the question as q and, optionally, this page's path as page, and returns JSON with answer, sources and follow_ups, or Markdown with Accept: text/markdown. No key needed.
curl -G 'https://whichemulator.wtf/ask' --data-urlencode 'q=Which PlayStation 3 emulator should I use on a Mac?' --data-urlencode 'page=/ps3/'Questions it answers:
Sony PlayStation 3, Sony, 2006. Cell Broadband Engine.
whichemulator.wtf calls its recommendation for each system the Gold Cartridge pick. For the PlayStation 3, the Gold Cartridge pick is RPCS3.
There isn't a second choice and there doesn't need to be. RPCS3 runs a big chunk of the library properly, its compatibility list tells you what works before you try, and it improves every few months.
Runs on Windows · Mac · Linux. Open source. Download: https://rpcs3.net/download
Firmware: RPCS3 needs the official PS3 system software, which Sony still offers as a free download. Install it from the File menu on first launch.
No other PlayStation 3 emulator is worth recommending right now. If RPCS3 can't run something, nothing else will either.
No PS3 core exists. Frontends like ES-DE can launch standalone RPCS3.
The Cell pairs one general-purpose core with seven usable SPUs, small vector processors with their own memory. Games split work across them in wildly different ways, and all of it has to be recompiled for a PC CPU. That’s why core count and AVX2 matter.
Expect hitches the first time through an area while shaders compile. They’re cached after that.
Reference: WEM-PS3-DGIT