[musicale]

Prices have gone up since then, but at the time this article claimed $7/fps for PS5 vs. $17/fps for Steam Machine (which attempts to provide a console-like experience):

https://www.steamfps.com/guides/steam-machine-vs-ps5

see also:

"$400 more, fewer FPS" https://shattered.io/steam-machine-vs-ps5/

But this also notes that 5-year TCO may be lower once you account for PS+ subscription fees and Steam sales/discounts.