If you’re wondering whether your computer will handle Stellarium without turning into a slideshow, here’s the breakdown based on official requirements and real user experience.
| Component | Minimum | Recommended for Smooth Experience |
|---|---|---|
| Operating System | Windows 7 (64‑bit) | Windows 10 / 11 |
| Processor | Intel Atom x5‑Z8350 (1.44GHz) or equivalent | Intel Core i3 / AMD Ryzen 3 or better |
| RAM | 2 GB | 4 GB or more |
| Graphics Card | DirectX 9 / OpenGL 2.1 compatible (GeForce 8xxx, Radeon HD 2xxx, Intel HD Graphics from ~2008) | Dedicated GPU or newer integrated graphics (e.g., Intel Iris, Ryzen Vega) |
| Storage | 300 MB | 740 MB (if you install extra star catalogs) |
| OpenGL Support | OpenGL 3.0 + GLSL 1.3 (or OpenGL ES 2.0) | Same – but better drivers = smoother panning |