Quick Answer
Max settings are fine on the Arc B580 for Fallout New Vegas at 4K; the main job is setting a clean frame cap. A realistic target is 120-240 fps if the engine and monitor allow it, with textures kept high and wasteful effects reduced first. For SA buyers, a Arc B580-based system commonly sits around R17,000-R28,000 for an Intel Arc-focused gaming PC, so match the settings to a 4K 60Hz or 120Hz display before paying for more hardware.
Recommended Graphics Settings
Use max textures, 8x anisotropic filtering, modest anti-aliasing, and a 60 fps cap unless your mod pack is tested for higher frame rates. Keep textures high when VRAM allows, then reduce shadows, volumetrics, reflections or MSAA before dropping resolution. If the game offers DLSS, XeSS or FSR, start with Quality at 1080p and 1440p; at 4K, Balanced can be the cleaner compromise when fps falls below 60.
Expected FPS And Smoothness
On a sensible platform with AMD Ryzen 5 7600, Intel Core i5-14400F, 16GB RAM, 32GB RAM, 1TB NVMe SSD, 144Hz monitor, the Arc B580 should land near 120-240 fps if the engine and monitor allow it in normal play. Treat 1% lows as the important number: a steady 70 fps feels better than a spiky 110 fps when combat, traffic or busy towns hit the CPU. Use a 650W quality PSU for stronger mid-range cards and confirm the case has clear front-to-back airflow.
SA Buyer Notes
The old engine is the limit; big texture packs and ENB-style lighting are what turn this from easy to fussy. In South Africa, also check local warranty handling, GPU length, HDMI or DisplayPort needs, and whether your monitor is actually 4K. A 24-inch 1080p 144Hz screen, a 27-inch 1440p 165Hz screen, and a 4K TV all push different priorities, so the same card can feel excellent or wasteful depending on the display.
FAQ
Should I use Ultra settings for Fallout New Vegas on the Arc B580?
Use Ultra only when the fps target stays stable. High textures with trimmed shadows or volumetrics usually look almost the same while protecting 1% lows.
Is 4K better than 1080p for this game?
4K is worthwhile if your monitor supports it cleanly and the fps remains steady. If you own a 1080p 144Hz panel, higher refresh may feel better than forcing a heavier resolution.
What should I upgrade first if performance dips?
Start with the heaviest graphics toggles, then check CPU load, RAM capacity and SSD health. If the system has 16GB RAM and background apps are open, moving to 32GB can help consistency in bigger games.
