Unity is the industry’s "great equalizer." It takes the daunting task of writing code for a dozen different operating systems and boils it down to a single philosophy:

You can’t use the same 4K textures on a high-end PC that you’d use on a mobile phone. Unity handles this through . In the Editor, you can specify that a texture should be uncompressed for Windows but crushed down to an ASTC format for Android. This ensures that your "unity" doesn't lead to a bloated, unplayable mess on weaker hardware. 3. The Input System Revolution

Unity offers different "Render Pipelines" to manage visual fidelity:

Here is a look at how Unity turns multiplatform development from a technical nightmare into a streamlined creative process. 1. The Core Engine: One Language, Many Tongues