Garry's Mod is an open-ended physics sandbox built on the Source engine where players spawn and manipulate props, vehicles, NPCs, and contraptions from Valve games. Most players spend their time on community servers running modes like DarkRP for roleplay, TTT for deduction games, Prop Hunt for hiding in plain sight, or simply experimenting in Sandbox mode. The experience is heavily shaped by the Steam Workshop, which has hundreds of thousands of free maps, models, weapons, and scripts that dramatically increase visual fidelity and complexity. At 1440p this means sharper textures, more detailed models, and clearer UI elements during busy multiplayer sessions, but it also raises demands on the system when players load high-resolution texture packs or intricate custom maps. Performance load in Garry's Mod comes primarily from the number of spawned entities, active physics calculations, Lua scripting, and multiplayer synchronization rather than traditional graphical effects. Crowded servers or elaborate player-built contraptions frequently cause stuttering or frame drops even though overall GPU usage remains modest. Common pain points include long loading times with many addons, hiccups when spawning large numbers of props, and inconsistent responsiveness during physics-heavy moments like vehicle collisions or destruction sequences. Many builders mistakenly chase high-end GPUs expecting modern-game behavior, yet the real bottlenecks are fast single-core CPU performance and sufficient system memory to keep all the loaded assets from causing hitches. A sensible PC for 1440p Garry's Mod must therefore deliver strong CPU and RAM headroom alongside enough GPU power to maintain smooth frame pacing with enhanced visuals and mods.