Fallout: New Vegas is a single-player open-world RPG set in the post-apocalyptic Mojave Wasteland. Players spend dozens of hours exploring, completing story-driven quests with meaningful faction choices, using the V.A.T.S. pause-and-target system or real-time shooting, and managing reputation and companions. Most current players follow community guides such as Viva New Vegas to install stability fixes, bug patches, and quality-of-life mods before they even start the game. At 1440p the experience shifts from the game's original dated look to a noticeably sharper world once texture overhauls, new weather systems, and ENB or ReShade presets are added. These mods increase VRAM usage and draw calls, especially in dense locations like the New Vegas Strip or during large outdoor battles. The single-threaded engine still struggles with scripting, NPC density, and world streaming, which can cause stuttering or hitches if the CPU cannot keep up. SSD storage becomes valuable because slow storage makes texture pop-in and long loading screens more noticeable when high-resolution assets are involved. Common pain points include random crashes when too many mods compete for memory, micro-stutters in crowded areas, and unexpectedly low GPU utilization on modern hardware. Many players mistakenly focus only on GPU power and end up with a system that still feels unstable. Before choosing parts, understand that a good 1440p New Vegas PC needs a CPU with excellent single-core performance first, enough VRAM to hold 1440p textures comfortably, and quick RAM plus storage to keep the engine fed.