120 frames per second and up to 4K resolution.
Halo: The Master Chief Collection will receive a free Xbox Series optimization update on November 17, Microsoft announced.
The game will run at 120 frames per second in campaign and multiplayer on Xbox Series X and Xbox Series S, as well as split-screen improvements and display at up to 4K resolution on Xbox Series X.
Halo: The Master Chief Collection is available now for Xbox One and PC via Steam and the Microsoft Store. It is also available via Xbox Game Pass for Console and PC.
Source: gemastu