Biggest step up in quality from one system to its successor

[Replicant]

BraLoD said:
PS2 to PS3.
The first time I touched The Last of Us on PS3 was like it was a new gen during the current gen.
So the PS3 was like two gens above the PS2.

The Last of Us: Part 2 gave me a similar feel of "new gen".
I think it's just a Naughty Dog thing. Not a PS3 thing