Tecmo Koei is bringing Samurai Warriors 4 to PlayStation 4. When the game moved platforms Tecmo Koei upgraded the textures and lighting. Samurai Warriors 4 also shows more units on PS4 as seen in these comparison screenshots from Famitsu.
The game also makes use of subsurface scattering to make skin look more realistic.
Samurai Warriors 4 comes out for PlayStation 4 on September 4.