Ratchet & Clank PS4 Graphics Analyzed, Comparison With PS3 HD Version Shows Impressive Enhancements

Why does the graphics improvement from console generation to console generation seem to be improving less? I can barely tell the difference between PS4 and PS3 and PS5 and PS4 in terms

Marvel's Spider-Man: Miles Morales and Remastered PS5 vs PS4 Graphics Analysis – Solid, if Not Extraordinary

PS5's PS4 backward compatibility works like a charm - Polygon

Ratchet & Clank - PS3 Remaster vs. PS4 Remake

PlayStation 3 - Wikipedia

Ratchet & Clank PS4 Graphics Analyzed, Comparison With PS3 HD Version Shows Impressive Enhancements

The PS5 games with the best graphics

Calaméo - Vitamag #19

Ratchet & Clank: Rift Apart Review - Ratchet & Clank: Rift Apart Review – Dazzling Dimensional Duality - Game Informer

Why isn't the difference in graphics quality between the PS3 and the PS4 outstanding? - Quora