>>214090806
well for one the ps2 was blue and black, had a those tech menus and more electronic sounding startup sound.
https://www.youtube.com/watch?v=dcCwDVX_ZtY
the ps1 was grey, had a colored logo and a warmer startup sound
https://www.youtube.com/watch?v=BOPViekdacQ
as far as graphics goes, the need to stylize more lead to more pleasurable results in many cases, such as FFIX compared to FFX or FFXII, which in my opinion while still looking nice, due to their 3d background and higher fidelity characters aged worse in the long run than the toon characters and pre rendered backgrounds of FFIX.
Though it really heavily depend on the specific games