On a standard Xbox 360, Blacklist suffered from significant texture pop-in and long load times because it relied heavily on reading data from a dual-layer DVD.
(which includes extra missions for characters like Grim and Isaac Briggs) and various suits/gadgets that are now difficult or impossible to obtain via the shut-down official servers. Performance & Gameplay Review Tom Clancy's Splinter Cell: Blacklist - Xbox 360 Review tom clancys splinter cell blacklist jtag rgh
However, the vanilla graphics on Xbox 360 are inferior to the PC or XB1 backward-compatible versions. The frame rate dips to 25-30 FPS. Your RGH isn’t going to fix the hardware limitations of a 2005 architecture. On a standard Xbox 360, Blacklist suffered from