Grand Theft Auto V is a massive open-world crime simulator where you control multiple protagonists through story-driven heists, high-speed driving, shooting, and exploration in a meticulously detailed version of Los Santos and Blaine County. On PC, most players divide their time between the single-player campaign for narrative completion and heavy modding, and GTA Online for persistent multiplayer grinding, businesses, races, PvP, and social sessions. The game runs on the aging but updated Rockstar Advanced Game Engine, which demands a lot from both CPU and GPU to keep the living world feeling seamless. What drives performance load is the constant simulation of dense pedestrian and vehicle AI, complex physics during chases or crashes, and streaming of large world assets. CPU bottlenecks appear first in crowded downtown streets or during GTA Online missions with many players and NPCs, leading to stuttering that breaks immersion in fast-paced driving or combat. GPU load increases with texture quality, shadows, draw distance, and population density settings, especially when players apply popular graphical mods that raise VRAM and overall demands. Storage also plays a key role: slow drives cause long loading times and texture pop-in during rapid map traversal. Common pain points include frame-time spikes in dense areas, long asset streaming on mechanical drives, and insufficient RAM when running the game alongside mods or background applications. Many new builders mistakenly pair a strong GPU with a weak older CPU, only to find the world simulation still feels unresponsive. Before choosing a PC for GTA V, understand that a sensible build needs strong multi-core CPU performance for simulation stability first, paired with enough GPU power and VRAM for the visual fidelity and mods players typically want, plus fast NVMe storage to eliminate hitches during gameplay.