Which Do You Consider More Successful: PS1 or PS2?

[BraLoD]

PS1 as a newcomer in the market beat down Nintendo, the previous leader, by 3 to 1.

The PS1 had the base controller every single gaming system outside of VR still uses to this day.

The PS1 made optical media the de facto format for games for there on.

The PS1 made Europe a major region for gaming.

It's not even close. The PS2 just sold more.