512 GB Digital Only XSX at $349+ instead of $299 XSS... problem solved

... but no, devs have to take into account the slower CPU, much smaller RAM, less CU’s in the GPU, and a lower GPU clockspeed (which reduced performance that the TFLOPS number does not count... geometry engine, primitive setup and rasterisation, HW dispatcher and ACE’s, fillrate/blending through ROP’s, etc...). Also, is it resolution only or quality of effects, draw distance, and other factors are affected?
Now take those 1440p games with even heavier load on the CPU and add GPU used for more RT and genera compute for the game itself and the stress of maxing the XSX while not screwing over the XSS grows... just adds complications.