Official Batman: Arkham Origins Blackgate system requirements
These are the PC specs advised by developers to run at minimal and recommended settings. Those requirements are usually very approximate, but still can be used to determine the indicative hardware tier you need to play the game.
Minimum system requirements
Recommended system requirements
Graphics card: NVIDIA GeForce 8800 GTS; AMD Radeon HD 3850
Graphics card: NVIDIA GeForce GTX 560; AMD Radeon HD 6950