It's not a PlayStation 4 exclusive.
Today, a Resident Evil 2 remake was announced at the PlayStation E3 2018 event. Unfortunately, it was unclear if the game was a PlayStation 4 exclusive or coming to other platforms. Luckily, we reached out to Capcom Europe and the team provided us with confirmation that Resident Evil 2 was indeed coming to Xbox One on January 25, 2019 with Xbox One X enhancements in tow.
Full story from the WindowsCentral blog...