Hitman 2 is a stealth action sandbox built on IO Interactive's Glacier 2 engine, tasking you with eliminating targets across sprawling, lavishly detailed levels packed with interactive objects, environmental hazards, and dense NPC crowds. At 4K, the resolution amplifies the GPU workload considerably. Shadows, screen-space ambient occlusion, and reflections are the primary graphics settings that tax the video card, and at four times the pixel count of 1080p, these effects scale up fast. The game's visual richness is a part of the experience—spotting opportunities, reading NPC routes, and planning kills all benefit from crisp, high-resolution imagery. Because Hitman 2 relies heavily on CPU-driven AI simulation for crowds and guard behaviors, scenes with many NPCs can spike processor load. However, at 4K the bottleneck almost always shifts to the GPU first. A common pitfall for builders targeting 4K is pairing a powerful CPU with a graphics card that cannot keep pace at this resolution, resulting in constant frame drops at higher settings. Equally, skimping on a strong CPU can cause noticeable hitches in busier missions once the GPU bottleneck is removed. For storage, an SSD noticeably improves mission load times and level transitions, which matters when experimenting with different approaches across repeated playthroughs. Overall, a well-balanced 4K PC build for Hitman 2 prioritizes GPU strength for visual quality and pairs it with enough CPU and storage support to handle the game's simulation and loading demands without unnecessary overspending on components that yield little benefit for a mature 2018 title.