The PlayStation 4 port of Red Dead Redemption does actually include a major graphical update.
Red Dead Redemption Launches for Switch and PS4 on August 17, dead red 2
Red Dead Redemption Remaster Rumor Unpacked
We Might Finally Be Playing Official Red Dead Redemption Remaster Soon
Finally : r/reddeadredemption
Fans Are Upset About Red Dead Redemption's Poor Remaster
How could Red Dead Redemption 2 improve on PC?
Red Dead Redemption on the Switch and PS officially announced! : r/rockstar
Red Dead Redemption remake 'first look' divides fans
Red Dead Redemption remastered features officially confirmed for PlayStation, red dead redemption 1 remaster
Red Dead Redemption 2 Is Possibly In Development For PC
Red Dead Redemption PS5 Release Date: Is an RDR2 Remake Coming? - GameRevolution
Rockstar Games has apparently ditched the Red Dead Redemption 2 remaster