This build puts the NVIDIA GeForce RTX 5070 at the center, which is the right priority for War Thunder at 1440p. The game's visual strengths—detailed vehicle models, realistic lighting across large open environments, and dense particle effects during firefights—benefit directly from strong GPU processing. The RTX 5070 provides enough headroom to run higher texture and shadow settings without choking during the most crowded multiplayer engagements, and its 12GB of VRAM gives breathing room for War Thunder's growing content library and higher-resolution textures that 1440p makes more visible. The AMD Ryzen 5 9600X complements this GPU without wasting budget. War Thunder's CPU load spikes in Simulator battles and packed Realistic matches where the engine tracks many simultaneous vehicles and physics calculations at once. The 9600X's six Zen 5 cores handle these workloads capably at 1440p, where the GPU is typically carrying the heavier share of the workload. You get responsive system performance without paying for extra cores that this particular game does not meaningfully use. Sixteen gigabytes of DDR5 memory provides fast access for War Thunder's frequent asset loading between respawns and map sections, and the 1TB NVMe SSD keeps load times short while avoiding the micro-stutters that slower storage can cause when the engine streams large terrain segments. The ASUS B650 motherboard offers solid AM5 platform connectivity, the Thermalright Peerless Assassin keeps the Ryzen cool under sustained load, and the 650W power supply comfortably covers the system with room to spare. For someone asking what gaming PC they need for War Thunder at 1440p, this build delivers the visual clarity of the resolution with stable, balanced performance—without overspending on parts that would not improve the experience.